જો $\cos 40^\circ = x$ અને $\cos \theta = 1 - 2x^2$ હોય,તો $0^\circ$ અને $360^\circ$ ની વચ્ચે $\theta$ ના શક્ય મૂલ્યો કયા છે?

  • A
    $100^\circ$ અને $260^\circ$
  • B
    $80^\circ$ અને $280^\circ$
  • C
    $280^\circ$ અને $110^\circ$
  • D
    $110^\circ$ અને $260^\circ$

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જો $\tan \theta = t$ હોય,તો $\tan 2\theta + \sec 2\theta = $

જો $\sin 6\theta = 32\cos^5\theta \sin\theta - 32\cos^3\theta \sin\theta + 3x$ હોય,તો $x = $

જો $\text{cosec} \theta = \frac{p + q}{p - q}$ હોય,તો $\cot \left( \frac{\pi}{4} + \frac{\theta}{2} \right) = $

જો $x = \log_e \left[ \cot \left( \frac{\pi}{4} + \theta \right) \right]$ જ્યાં $|\theta| < \frac{\pi}{4}$ હોય,તો $\sinh x =$

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