Question

if tan theta=3/4 find sin thetha and cos thetha

Answer 1

Hey,

Using Pythagoras theorem:-
(3)²+(4)²=(5)²
9+16=25
so hypotenuse=5

sin theta=perpendicular/hypotenuse
=3/5

cos theta=base/hypotenuse
=4/5

HOPE IT HELPS YOU:-))