Question

If sin A =
4/5 then Find the value of
3 sin A -cos A/
4 cosecA+ 3 tan A

Answer 1

Step-by-step explanation:

sinA=4/5=P/H

By Pythagoras theorem

H²=P²+B²

we can find the value of B=3

cosA=B/H=3/5

cosecA=H/P=5/4

tanA=P/B=4/3

Now you put the value you got your answer