Question

If sin A =3/4, calculate sec A

Answer 1

Answer:

sec A =4/√7

Step-by-step explanation:

sin A=3/4=P/H

P=3 , H=4

by p.g.t

h²=b²+p²

b²=h²-p²

b²=4²-3²

b= √7

sec A = H/B =4/√7