Question

What is `sintheta+3tantheta` in terms of `costheta`?

Answer 1

Write y = sin x + 3tan x in terms of cos x

Explanation:

`y = sin x + (3sin x)/(cos x) = (cos x.sin x + 3sin x)/(cos x) =`

`= ((sin x)(cos x + 3))/(cos x) = [(1 - cos x)^(1/2)(cos x + 3)]/(cos x)`