Trigonometry: Co-Function Identities - Expii

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).

Cofunction Identities in Trigonometry (With Proof and Examples) - Owlcation

Lesson 3 derivative of hyperbolic functions

What are the Trigonometric Cofunction Identities?

Trigonometry identity review/fun, Trig identities and examples, Trigonometry

Trigonometry: Double-Angle Identities - Expii

Trig Identities Memory Hexagon (Part 2): Product and Cofunction Identities

Lesson 3 derivative of hyperbolic functions

PreCalculus - Trigonometry: Trig Identities (2 of 57) Cofunction Identities

Summary of trigonometric identities

Summary of trigonometric identities

Use cofunction identities and trig identities to find the indicated trig functions