EE-Learning
Proof of the cosine angle addition identity
Catogry:
Math
Subject:
Precalculus
Course:
Trigonometry
Lecture List
Writing standard equation of a circle
Using trigonometric identities
Using trig angle addition identities: manipulating expressions
Using trig angle addition identities: finding side lengths
Finding trig values using angle addition identities
Proof of the cosine angle addition identity
Proof of the sine angle addition identity
Using the cosine double-angle identity
Using the cosine angle addition identity
Review of trig angle addition identities
Trig word problem: solving for temperature
Solving cos(θ)=1 and cos(θ)=-1
Solving sinusoidal equations of the form sin(x)=d
Using inverse trig functions with a calculator
Domain & range of inverse tangent function
Restricting domains of functions to make them invertible
Intro to arccosine
Intro to arctangent
Intro to arcsine