જો $\sin A+\sin B=\sqrt{3}(\cos B-\cos A)$ હોય,તો $\sin 3A+\sin 3B$ ની કિંમત શોધો.

  • A
    $0$
  • B
    $2$
  • C
    $1$
  • D
    $-1$

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ધારો કે $f_k(x) = \frac{1}{k}(\sin^k x + \cos^k x)$ જ્યાં $x \in R$ અને $k \ge 1$ છે. તો $f_4(x) - f_6(x)$ ની કિંમત શોધો.

જો $\operatorname{Sinh}^{-1} x = \log 3$ અને $\operatorname{Cosh}^{-1} y = \log \frac{3}{2}$ હોય,તો $\operatorname{Tanh}^{-1}(x-y) = $

જો $\cos \theta + \sin \theta = \sqrt{2} \cos \theta$ અને $0 < \theta < \frac{\pi}{2}$ હોય,તો $\sec 2 \theta + \tan 2 \theta = $

જો $\sin A + \sin 2A = x$ અને $\cos A + \cos 2A = y$ હોય,તો $({x^2} + {y^2})({x^2} + {y^2} - 3) = $

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

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