Question

why sin square A + cos square a =1 I want detailed explanation​

Answer 1

Sine and Cosine of an angle in a triangle with unit hypotenuse are just the lengths of the two shorter sides. So squaring them and adding gives the hypotenuse squared, which is one squared, which is one.

Answer 2

Answer:

Sine and Cosine of an angle in a triangle with unit hypotenuse are just the lengths of the two shorter sides. So squaring them and adding gives the hypotenuse squared, which is one squared, which is one...

Hope it help uuu