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$\tan 40^{\circ} + \tan 11^{\circ} + \tan 20^{\circ} - \tan 56^{\circ} + \tan 56^{\circ} \tan 11^{\circ} + \sqrt{3} \tan 40^{\circ} \tan 20^{\circ}$ ની કિંમત શોધો.

$\cos ^2 5^{\circ}-\cos ^2 15^{\circ}-\sin ^2 15^{\circ}+\sin ^2 35^{\circ}+\cos 15^{\circ} \sin 15^{\circ}-\cos 5^{\circ} \sin 35^{\circ} = $

$\sin 12^\circ \sin 24^\circ \sin 48^\circ \sin 84^\circ = $

જો $\sin \theta + \cos \theta = p$ અને $\sin^3 \theta + \cos^3 \theta = q$ હોય,તો $p(p^2 - 3)$ ની કિંમત શોધો.

જો $\sin A+\sin B=\sqrt{3}(\cos B-\cos A)$ હોય,તો $\sin 3A+\sin 3B$ ની કિંમત શોધો.

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