Question

Choose the correct value of sin theta if cos theta=4/5 answer

Answer 1

Answer: sin theta =3/5

Step-by-step explanation:

cos theta=4/5 =Base/Hyp.

By Pythagoras Theorem,

H²=B²+P²

5²=4²+P²

P²=25-16

P²=9

P=3

sin theta=P/H=3/5