અંતરાલ $0 \le x \le \pi$ માં વિધેય $f(x) = 2\cos 2x - \cos 4x$ ની ન્યૂનતમ કિંમત શોધો.

  • A
    $0$
  • B
    $1$
  • C
    $\frac{3}{2}$
  • D
    $-3$

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$2(\sin^6 \theta + \cos^6 \theta) - 3(\sin^4 \theta + \cos^4 \theta) = $

જો $\sin \theta + \sqrt{3} \cos \theta = 6x - x^2 - 11$,જ્યાં $x \in R$ અને $0 \le \theta \le 2\pi$ હોય,તો આ સમીકરણનો ઉકેલ કઈ કિંમત માટે મળે?

પદાવલિ $E = \sin \theta + \cos \theta + \sin 2\theta$ ની મહત્તમ કિંમત શોધો.

જો $\alpha+\beta+\gamma=2 \theta$ હોય,તો $\cos \theta+\cos (\theta-\alpha)+\cos (\theta-\beta)+\cos (\theta-\gamma)$ ની કિંમત શોધો.

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