Trigonometry Tutorial Playlist
Lesson 49 of 63 · Even and Odd Trigonometric Functions & Identities – Evaluating Sine, Cosine, & Tangent · Basic studies
Even and Odd Trigonometric Functions & Identities – Evaluating Sine, Cosine, & Tangent
This trigonometry video tutorial explains how to use even and odd trigonometric identities to evaluate sine, cosine, and tangent trig functions. This video contains plenty of examples and practice problems.
- (1-sinx)/cosx+cosx/(1-sinx)=2secx
- (1-sinx)/cosx=secx-tanx
- 2sin^2(x)+3sinx+1=0
- 2sinx+cscx=0
- 30 60 90 right triangle
- 30-60-90
- 3csc^2(x)-4=0
- 3tan^3(x)=tanx
- 45-45-90
- absolute value functions
- act
- act math
- act math concepts
- act math examples
- act math formulas
- act math help
- act math lessons
- act math overview
- act math practice
- act math practice problems
- act math prep
- act math questions
- act math review
- act math strategies
- act math study guide
- act math tips and strategies
- act math word problems
- act prep
- act review
- acute angles
- acute angles and obtuse angles
- Adding
- algebra
- algebra 2
- amplitude
- amplitude and period
- amplitude period phase shift
- amplitude period phase shift vertical shift
- angle
- angle basics
- angle between hands of a clock
- angle measure
- angle measure trigonometry
- angle measurement
- angle of depression
- angle of elevation
- angle of elevation and depression
- angle of elevation and depression word problems
- angle of elevation trigonometry
- angles
- angles and degrees
- angles and radian measure
- angular speed
- Applications
- aptitude
- Arc Length
- arc length and sector area
- arc length formula
- arc length of a circle
- arc length of a circle formula
- arc length of a sector
- area
- area of a sector
- area of a sector formula
- area of a sector radians
- area of sectors
- ASA
- basic introduction
- basic trigonometry
- basic trigonometry for beginners
- basic trigonometry lessons
- basic trigonometry problems.
- basic trigonometry sin cos tan
- by factoring
- Calculus
- Channel
- circle
- clock
- clock angle between hands
- clock angle problem
- clock angle tricks
- clock aptitude
- clock aptitude problems
- clock aptitude shortcuts
- clock aptitude tricks
- clock problems
- clock tricks
- cofunctions
- Complex Numbers
- complex numbers in polar form
- converting degrees minutes and seconds to decimal
- converting degrees to dms
- converting degrees to radians
- converting dms to degrees
- converting radians to degrees
- cos
- cos^3(x)=cosx
- cos(2x)
- cos(tan^-1(x))
- cosecant
- Cosine
- cosine function
- cosx = -3/7
- cosx-sinx=0
- cosx/2
- cot
- coterminal angles
- coterminal angles in degrees
- coterminal angles in radians
- coterminal angles positive and negative
- coterminal angles unit circle
- coterminal points
- coverting degrees to radians
- csc
- cscx-2=0
- de moivre's theorem
- de moivre's theorem and nth roots
- de moivre's theorem roots of complex numbers
- decimal
- decimal degrees
- decimal degrees to degrees minutes seconds
- decimal degrees to dms
- definite integral
- definition
- degrees
- degrees and radians
- degrees minutes seconds
- degrees to dms
- degrees to radians
- desmos
- dividing
- dms
- dms to decimal
- dms to decimal degrees
- dms to decimal formula
- dms to degrees
- dms to degrees formula
- domain
- domain and range
- domain and range of sine and cosine
- domain of inverse sine
- domain of inverse trig functions
- double angle
- double angle formulas
- double angle identities
- drawing angles
- drawing angles in standard position
- equation
- equations
- evaluating cotangent
- evaluating cotangent functions
- evaluating sine and cosine
- evaluating sine cosine and tangent
- evaluating tangent functions
- evaluating trig functions
- evaluating trigonometric expressions
- evaluating trigonometric functions
- even and odd
- even and odd trig functions
- even and odd trig functions examples
- even and odd trig identities
- even and odd trig identities examples
- even and odd trigonometric functions
- even and odd trigonometric functions examples
- exact value
- exact values
- Example problems
- examples
- explained
- factoring
- find exact value
- find exact values of trig functions
- find the exact value
- finding angles
- finding reference angles
- finding sides
- finding sides and angles
- for beginners
- formula
- formulas
- ft/s
- functions
- General Solution
- geometry
- given
- graph
- graphing
- graphing exponential functions
- graphing inequalities
- Graphing Linear Equations
- graphing logarithmic functions
- graphing parabolas
- graphing polar equations
- graphing quadratic functions
- graphing rational functions
- graphing sine and cosine functions
- graphing sine and cosine functions with phase shifts
- graphing sine and cosine functions with transformations
- graphing trig functions
- graphing trignometric functions
- graphing trigonometric functions
- graphing trigonometric functions phase shift
- graphing trigonometric functions tangent
- graphs
- half angle formulas
- half angle identities
- hands of a clock
- hour hand
- how to calculate linear speed from rpm
- how to calculate linear speed given rpm and radius
- how to calculate linear speed of a wheel
- how to do it the easy way
- how to find amplitude and period
- how to find linear speed from angular speed
- how to find the amplitude and period
- how to find the amplitude period phase shift and vertical shift from a graph
- how to find the linear speed in trig
- how to find the linear speed of a circle
- how to find the linear speed of a wheel
- how to find the phase shift
- how to find the vertical shift
- how to solve trigonometric equations
- how to write the equation
- Identities
- in terms of pi
- initial side
- initial side and terminal side
- initial side of an angle
- Introduction
- introduction to angles
- inverse
- inverse sine
- inverse tangent
- inverse trig functions
- km/hr
- law of cosines
- law of cosines examples
- law of cosines sas
- law of cosines sss
- law of sines
- law of sines aas
- law of sines and cosines
- law of sines asa
- law of sines examples
- law of sines no solution
- law of sines ssa
- law of sines tutorial
- law of sines two solutions
- lessons
- linear speed
- Math
- midline
- minute hand
- mph
- multiple angles
- mutiplying
- negative
- negative coterminal angles
- nth roots
- obtuse angles
- of a circle
- online graphing calculator
- ordered pair
- organic chemistry tutor
- Patreon
- patreon channel
- patreon review
- patreon rewards
- patreon rewards tutorial
- patreon tutorial
- patreon tutorial video
- patreon video
- period
- permutations
- phase shift
- phase shift and vertical shift
- point
- polar form
- positive
- positive coterminal angles
- power reducing
- power reducing formulas
- power reducing identities
- powers
- powers of complex numbers
- practice
- practice problems
- Precalculus
- probability
- problems
- product
- product to sum
- product to sum formulas
- product to sum identities
- product to sum trig
- products
- products of complex numbers in polar form
- prove the identity
- proving trigonometric identities
- Pythagorean Theorem
- Quadrant
- quadrants
- quotient identities
- quotient identities examples
- quotient identities trig
- Quotients
- quotients of complex numbers in polar form
- radian measure
- radians
- radians and arc length
- radians and degrees
- radians definition
- radians explained
- radians to degrees
- radians unit circle
- radius
- range
- range of inverse sine
- Ratios
- real number
- reciprocal identities
- reciprocal identities example problems
- reciprocal identities of trigonometry
- reciprocal identities trig
- rectangular form
- reference angle
- reference angles
- reference angles in radians
- reference angles trigonometry
- reference angles unit circle
- reference angles using radians
- review
- revolution
- revolution per minute
- rewards
- right angles
- right triangle
- right triangle trigonometry
- right triangle trigonometry finding angles
- right triangle trigonometry finding sides
- roots
- roots of complex numbers
- rotations per minute
- rpm
- SAA
- sat
- sat algebra
- sat algebra and functions
- sat functions
- sat geometry
- sat geometry review
- sat hard math questions
- sat help
- SAT math
- sat math crash course
- sat math help
- sat math online course
- sat math overview
- sat math practice
- sat math prep
- sat math ratios
- sat math review
- sat math study guide
- sat math test
- sat math test problems
- sat math tips
- sat practice
- sat prep
- sat questions and answers
- sat test
- sat test prep
- SEC
- sec^2x/tanx=secxcscx
- sec^2xtan^2x+sec^2x=sec^4x
- secant
- secant and cosecant functions
- sector area
- sector area and arc length
- sector area formula
- sector area of a circle
- secx-cosx=tanxsinx
- sides
- sigma notation
- simplify trigonometric expressions
- sin
- sin cos tan
- sin cos tan csc sec cot
- sin cos tan explained
- sin^-1(1/2)
- sin^-1(x)
- sin^2(x)cos^2(x)
- sin^2x
- sin^4(x)cos^2(x)
- sin^4x
- sin^4x-cos^4x=sin^2x-cos^2x
- sin(cos^-1(3/5))
- sin(x/2)
- sine
- sine and cosine functions
- sine and cosine graphs
- sine cosine tangent
- sine cosine tangent explained
- sine function
- sinx/(1+cosx)=(1-cosx)/sinx
- sinx=3/5
- sinxsecx=tanx
- sinxtanx+cosx=secx
- soh cah toa
- sohcahtoa
- solving trig equations
- solving trigonometric equations
- solving trigonometric equations by factoring
- solving trigonometric equations general solution
- solving trigonometric equations using identities
- solving trigonometric equations with multiple angles
- special right triangles
- special triangles
- standard position
- straight angles
- sum
- sum and difference
- sum and difference formulas
- sum and difference formulas for sine and cosine
- sum and difference identities
- sum and difference identities tangent
- sum to product
- sum to product formulas
- sum to product identities
- tan
- tan^2(x)-1=0
- tan^2x
- tan^2x/secx=secx-cotx
- tan^2xcot^2x=1
- Tangent
- tanx
- tanx=-7/24
- terminal point
- terminal side
- the unit circle
- theta
- transformation
- transformations
- triangles
- Tricks
- trig
- trig functions
- trig identities
- trig ratios
- trig reference angles
- trigonometric equations
- trigonometric expressions
- Trigonometric Functions
- trigonometric functions of any angle
- trigonometric identities
- trigonometric quotient identities
- trigonometric ratios
- Trigonometry
- trigonometry basic introduction
- trigonometry basics
- trigonometry introduction
- trigonometry ratios
- trigonometry sin cos tan
- tutorial
- tutorial video
- unit circle
- unit circle coordinates
- unit circle explained
- unit circle graph
- unit circle hand trick
- unit circle memorization
- unit circle practice
- unit circle precalculus
- unit circle problems
- unit circle radians
- unit circle review
- unit circle sin cos tan
- unit circle song
- unit circle tangent
- unit circle trigonometry
- using identites
- verify the identity
- verifying trigonometric equations
- verifying trigonometric identities
- verifying trigonometric identities fractions
- verifying trigonometric identities hard
- verifying trigonometric identities practice problems
- verifying trigonometric identities worksheet
- vertical asymptotes
- Vertical Shift
- video
- Wheel
- with multiple angles
- with pi
- without calculator
- without unit circle
- Word Problems
- YouTube