Add New Description

Fill up the form and submit

\sin 2 x

\frac{1 - \tan^{2} x}{1 + \tan^{2} x}

\frac{1 - \tan^{2} x}{2 \tan^{2} x}

\frac{2 \tan^{2} x}{1 + \tan^{2} x}

\frac{\tan x}{1 + \tan^{2} x}

ANS : 3

Descrption

To add a description please, login first. click here to login

Cancel Login