જો $\tan \left(\frac{\pi}{4}+\alpha\right)=\tan ^3\left(\frac{\pi}{4}+\beta\right)$ હોય,તો $\tan (\alpha+\beta) \cot (\alpha-\beta)=$

  • A
    $\sec ^2 2 \beta+\tan ^2 2 \beta$
  • B
    $\operatorname{cosec}^2 2 \beta+\cot ^2 2 \beta$
  • C
    $2\left(\sec ^2 2 \beta+\tan ^2 2 \beta\right)$
  • D
    $4\left(\sec ^2 2 \beta+\tan ^2 2 \beta\right)$

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Similar Questions

જો $\sin 3\alpha = 4 \sin \alpha \cdot \sin(x + \alpha) \cdot \sin(x - \alpha)$ જ્યાં $\alpha \neq n\pi, n \in Z$, તો $x$ ના તમામ શક્ય મૂલ્યો છે

ધારો કે $A$ અને $B$ વિધાનો દર્શાવે છે:
$A: \cos \alpha + \cos \beta + \cos \gamma = 0$
$B: \sin \alpha + \sin \beta + \sin \gamma = 0$
જો $\cos (\alpha - \beta) + \cos (\beta - \gamma) + \cos (\gamma - \alpha) = -\frac{3}{2}$ હોય,તો:

જો $\cos \alpha + \cos \beta = a$,$\sin \alpha + \sin \beta = b$ અને $\alpha - \beta = 2 \theta$ હોય,તો $\frac{\cos 3 \theta}{\cos \theta} = $

$\sum_{k=1}^3 \cos^2 \left((2k-1) \frac{\pi}{12}\right)$ ની કિંમત શોધો.

જો $x \cos \theta + y \sin \theta = 5$ અને $x \sin \theta - y \cos \theta = 3$ હોય,તો $x^{2} + y^{2}$ ની કિંમત શોધો.

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