If and , then…

MATHEMATICS · Single correct · CBSE · Mathematics · Introduction to Trigonometry · Introduction to Trigonometry

Problem

0<x<\pi

and

\cos x+\sin x=\frac12

, then

\tan x

is (1)

\frac{4-\sqrt7}{3}

(2)

-\frac{4+\sqrt7}{3}

(3)

\frac{1+\sqrt7}{4}

(4)

\frac{1-\sqrt7}{4}