The co-function identities relate "co-pairs" of trig functions at x and π/2 - x. For example, sin(π/2 - x) = cos(x), cos(π/2 - x) = sin(x), tan(π/2 - x) = cot(x), and cot(π/2 - x) = tan(x).
Lesson: Evaluating Trigonometric Functions Using Cofunction Identities
Use cofunction identities and trig identities to find the indicated trig functions
Cofunction Identities ❖ Trigonometry
Advanced Trigonometric Identities (solutions, examples, videos)
Using cofunction identities
Summary of trigonometric identities
Trig Identities Memory Hexagon (Part 2): Product and Cofunction Identities
Advanced Algebra 2 @GHS - Welcome!
What is the inverse of range? - Quora
Trigonometric Co-function Identities
Trigonometry: Half-Angle Identities - Expii
Lesson: Evaluating Trigonometric Functions Using Cofunction Identities
Cofunction Identities - Solving Trigonometric Equations
