Question

Please answer all. I will mark brainlist

Answer 1

2) tanA= 3/4

Perpendicular/Base = 3/4. (as tan= p/b)

So perpendicular=3x and base=4x

By Pythagoras hypotenuse =5x

Then SecA= Hypotenuse/Base

SecA=5x/4x

SecA=5/4

CosA= 1/SecA

Cos A=1/(5/4)

Cos A= 4/5

Hope it helps....