Question

1-tan theta / 1+tan theta=1/2. find the value of theta

Answer 1

let theta=x (coz theta sign is not avlbl)

$\frac{1 - \tan(x) }{1 + \tan(x) } = \frac{1}{2}$

cross multiplying

$2 - 2 \tan(x) = 1 + \tan(x)$

$3 \tan(x) = 1$

$\tan(x) = \frac{1}{3}$

as we know, tan x= 1/3, when x=30°

Thus, theta is 30°.

Answer 2

Answer:

I think theta will be equal to tan inverse 1/3