જો $\theta+\phi=\alpha$ અને $\tan \theta=k \tan \phi$ (જ્યાં $k>1$) હોય,તો $\sin (\theta-\phi)$ નું મૂલ્ય શું થાય?

  • A
    $k \tan \phi$
  • B
    $\sin \alpha$
  • C
    $\left(\frac{k-1}{k+1}\right) \sin \alpha$
  • D
    $k \cos \phi$

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Similar Questions

જો $\frac{\cos x}{a} = \frac{\cos (x + \theta)}{b} = \frac{\cos (x + 2\theta)}{c} = \frac{\cos (x + 3\theta)}{d}$ હોય,તો $\left( \frac{a + c}{b + d} \right)$ ની કિંમત શોધો:

$\frac{\sqrt{3}\text{cosec } 20^{\circ}-\sec 20^{\circ}}{\cos 20^{\circ}\cos 40^{\circ}\cos 60^{\circ}\cos 80^{\circ}}$ નું મૂલ્ય કેટલું થાય?

જો $a \cos 2\theta + b \sin 2\theta = c$ ના ઉકેલ $\alpha$ અને $\beta$ હોય,તો $\tan \alpha + \tan \beta$ ની કિંમત શોધો.

$\frac{1}{\sin 10^\circ} - \frac{\sqrt{3}}{\cos 10^\circ} =$

$\sinh ^{-1} 2 + \sinh ^{-1} 3 = x \Rightarrow \cosh x$ ની કિંમત શોધો.

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