Question

if sin A=3/4,then cosA is​

Answer 1

Answer:

by Pythagoras theorem,

H^2=P^2+B^2

so B= root 3^2+4^2= root25= 5

Step-by-step explanation:

cosA=B/H where b is base and h is hypotnuos

cosA= 5/4

(sinA= P/H = 3/4)

I hope this will help you to understand properly