$f(x) = 3 \sin x - 4 \sin^3 x$ दिया गया है,तो $f\left(\frac{\pi}{3}\right)$ का मान ज्ञात कीजिए।

  • A
    $3$
  • B
    $0$
  • C
    $0$
  • D
    $\frac{3}{2}$

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यदि $\sin(\frac{\pi}{18}) \sin(\frac{5\pi}{18}) \sin(\frac{7\pi}{18}) = K$ है,तो $\sin(\frac{10K\pi}{3})$ का मान ज्ञात कीजिए:

यदि $\sin 6\theta = 32\cos^5\theta \sin\theta - 32\cos^3\theta \sin\theta + 3x$ है,तो $x = $

यदि $x \in \left(0, \frac{\pi}{2}\right)$ और $x$ समीकरण $\sin x \cos x = \frac{1}{4}$ को संतुष्ट करता है,तो $x$ के मान हैं

यदि $\cos A = \frac{3}{4}$ है,तो $32 \sin \left(\frac{A}{2}\right) \sin \left(\frac{5A}{2}\right) = $

सिद्ध कीजिए कि: $\cos 6x = 32 \cos^6 x - 48 \cos^4 x + 18 \cos^2 x - 1$

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