જો $\frac{x}{\cos \alpha} = \frac{y}{\cos \left(\frac{2 \pi}{3} - \alpha\right)} = \frac{z}{\cos \left(\frac{2 \pi}{3} + \alpha\right)}$ હોય,તો $(x + y + z)$ ની કિંમત કેટલી થાય?

  • A
    $\frac{1}{2}$
  • B
    $0$
  • C
    $1$
  • D
    $2$

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Similar Questions

$\sin \frac{5 \pi}{12} \sin \frac{\pi}{12}$ નું મૂલ્ય શું છે?

જો $\frac{1-\tan \theta}{1+\tan \theta}=\frac{1}{\sqrt{3}}$,જ્યાં $\theta \in \left(0, \frac{\pi}{2}\right)$,તો $\theta=$

જો $\cos (\theta+\phi)=\frac{3}{5}$ અને $\sin (\theta-\phi)=\frac{5}{13}$, જ્યાં $0 < \theta, \phi < \frac{\pi}{4}$, તો $\cot (2 \theta)$ ની કિંમત શોધો:

જો $\cos (\alpha + \beta) = \frac{3}{5}$,$\sin (\alpha - \beta) = \frac{5}{13}$ અને $0 < \alpha, \beta < \frac{\pi}{4}$ હોય,તો $\tan (2\alpha)$ ની કિંમત શોધો.

સાબિત કરો કે $\frac{\sin x+\sin 3x}{\cos x+\cos 3x} = \tan 2x$.

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