Question

Sin square theta + cos square theta is equal to 1 proof

Answer 1

Explanation:

in a triangle abc(right angled at c),

AB²+BC²=AC²

DIVIDING BY AC²,

AB²/AC² + BC²/AC² = AC²/AC²

HENCE ,

SIN² + COS²= 1

Answer 2

Answer:

sin square theta + cos square =1