Question

if sin theta =3/4 and tan theta =9/2 then find cos theta ​

Answer 1

Answer:

let theta = a

tan a = 9/2 = sin a / cos a

9/2 = 3/4 ÷ cos a

cos a = sin a ÷ tan a

cos a = 3/4 ÷ 9/2

cos a = 1/6

cos theta = 1/6

I hope it helps you :-)