$\frac{{2\sin \theta \,\tan \theta (1 - \tan \theta ) + 2\sin \theta {{\sec }^2}\theta }}{{{{(1 + \tan \theta )}^2}}} = $
$\frac{{\sin \,\theta }}{{1 + \tan \theta }}$
$\frac{{2\,\sin \theta }}{{1 + \tan \theta }}$
$\frac{{2\sin \theta }}{{{{(1 + \tan \theta )}^2}}}$
એકપણ નહિ.
$\tan ( - 945^\circ )$ = . . . .
$\cos \left(-1710^{\circ}\right)$ નું મૂલ્ય શોધો.
$\cot \frac{\pi}{24}$ ની કિમંત મેળવો.
અંશ માપ શોધો. ( $\pi=\frac{22}{7}$ લો. ) $-4$
જો ${\tan ^2}\alpha {\tan ^2}\beta + {\tan ^2}\beta {\tan ^2}\gamma + {\tan ^2}\gamma {\tan ^2}\alpha $ $ + 2{\tan ^2}\alpha {\tan ^2}\beta {\tan ^2}\gamma = 1,$ તો ${\sin ^2}\alpha + {\sin ^2}\beta + {\sin ^2}\gamma =.........$