$cot\, x + cot\, (60^o + x) + cot\, (120^o + x)$ =
$cot\, x + cot\, (60^o + x) + cot\, (120^o + x)$ =
- A
$cot\, 3x$
- B
$tan\, 3x$
- C
$3\, tan \,3x$
- D
$\frac{{3\,\, - \,\,9\,{{\tan }^2}\,x}}{{3\,\tan \,x\,\, - \,\,{{\tan }^3}\,x}}$
Similar Questions
${\sin ^2}\frac{\pi }{8} + {\sin ^2}\frac{{3\pi }}{8} + {\sin ^2}\frac{{5\pi }}{8} + {\sin ^2}\frac{{7\pi }}{8}$ =
${\sin ^2}\frac{\pi }{8} + {\sin ^2}\frac{{3\pi }}{8} + {\sin ^2}\frac{{5\pi }}{8} + {\sin ^2}\frac{{7\pi }}{8}$ =
$\sqrt {\frac{{1 - \sin A}}{{1 + \sin A}}} = $
$\sqrt {\frac{{1 - \sin A}}{{1 + \sin A}}} = $
જો $\theta = 3\, \alpha$ અને $sin\, \theta =$ $\frac{a}{{\sqrt {{a^2}\,\, + \,\,{b^2}} }}$. થાય તો $a \,cosec\, \alpha - b \,sec\, \alpha$ ની કિમત ............. થાય
જો $\theta = 3\, \alpha$ અને $sin\, \theta =$ $\frac{a}{{\sqrt {{a^2}\,\, + \,\,{b^2}} }}$. થાય તો $a \,cosec\, \alpha - b \,sec\, \alpha$ ની કિમત ............. થાય
$\cos 2(\theta + \phi ) - 4\cos (\theta + \phi )\sin \theta \sin \phi + 2{\sin ^2}\phi = $
$\cos 2(\theta + \phi ) - 4\cos (\theta + \phi )\sin \theta \sin \phi + 2{\sin ^2}\phi = $
$\tan 5x\tan 3x\tan 2x = $
$\tan 5x\tan 3x\tan 2x = $