$\sin \theta + \cos \theta$ નું મૂલ્ય ક્યારે મહત્તમ હશે?

  • A
    $\theta = 30^\circ$
  • B
    $\theta = 45^\circ$
  • C
    $\theta = 60^\circ$
  • D
    $\theta = 90^\circ$

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$\frac{1}{{\tan 3A - \tan A}} - \frac{1}{{\cot 3A - \cot A}} = $

$\sin x \cos x$ ની મહત્તમ અને ન્યૂનતમ કિંમત શોધો.

જો $\frac{\sec \theta+\tan \theta}{\sec \theta-\tan \theta}=2 \frac{51}{79}$ હોય,તો $\sin \theta$ ની કિંમત શોધો.

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$\frac{{\cos 12^\circ - \sin 12^\circ }}{{\cos 12^\circ + \sin 12^\circ }} + \frac{{\sin 147^\circ }}{{\cos 147^\circ }} = $

$\frac{\sin^3 \theta - \cos^3 \theta}{\sin \theta - \cos \theta} - \frac{\cos \theta}{\sqrt{1 + \cot^2 \theta}} - 2 \tan \theta \cot \theta = -1$ જો

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