Pythagorean Identities

Question 1

sine and cosine - Pythagorean Identity

Answer 1

sin^2(θ) + cos^2(θ) = 1

Question 2

tangent - Pythagorean Identity

Answer 2

tan^2(θ) + 1 = sec^2(θ)

Question 3

cotangent - Pythagorean Identity

Answer 3

cot^2(θ) + 1 = csc^2(θ)