Question

proof sin square theta + cos sqaure theta =1

Answer 1

Heya☺

In right triangle

sina = P/H
cos a = B/H

By Pythagoras theorem
H^2 = P^2 + B^2

Dividing each term by H^2

H^2/H^2 =. B^2/H^2 + P^2/H^2

1 = sin^2a + cos ^2 a

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Answer 2

I hope you will understand........