જો $x \cos \theta = y \cos \left( \theta + \frac{2\pi}{3} \right) = z \cos \left( \theta + \frac{4\pi}{3} \right)$ હોય,તો $\frac{1}{x} + \frac{1}{y} + \frac{1}{z}$ ની કિંમત કેટલી થાય?

  • A
    $1$
  • B
    $2$
  • C
    $0$
  • D
    $3 \cos \theta$

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Similar Questions

$\cos \frac{2\pi}{28} \csc \frac{3\pi}{28} + \cos \frac{6\pi}{28} \csc \frac{9\pi}{28} + \cos \frac{18\pi}{28} \csc \frac{27\pi}{28}$ નું ચોક્કસ મૂલ્ય કેટલું થાય?

જો $\tan A = - \frac{1}{2}$ અને $\tan B = - \frac{1}{3}$ હોય,તો $A + B = $

$\frac{\sin 3\theta + \sin 5\theta + \sin 7\theta + \sin 9\theta}{\cos 3\theta + \cos 5\theta + \cos 7\theta + \cos 9\theta} = $

$\tan \frac{2\pi}{5} - \tan \frac{\pi}{15} - \sqrt{3} \tan \frac{2\pi}{5} \tan \frac{\pi}{15}$ ની કિંમત શોધો.

જો $m$ અને $M$ એ $4 + \frac{1}{2} \sin^2 2x - 2 \cos^4 x$ ની ન્યૂનતમ અને મહત્તમ કિંમતો હોય,જ્યાં $x \in R$,તો $M - m$ ની કિંમત શોધો.

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