જો $A, B, C$ એ ત્રિકોણના ખૂણાઓ હોય,તો $\sin 2A + \sin 2B - \sin 2C$ બરાબર શું થાય?

  • A
    $4\sin A \cos B \cos C$
  • B
    $4\cos A$
  • C
    $4\sin A \cos A$
  • D
    $4\cos A \cos B \sin C$

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$\cot(7.5^{\circ}) + \tan(67.5^{\circ}) - \cot(67.5^{\circ}) - \tan(7.5^{\circ})$ ની કિંમત શું છે?

જો $\sec \theta + \tan \theta = m$ $(m > 1)$ હોય,તો $\sin \theta$ ની કિંમત શોધો $(0^{\circ} < \theta < 90^{\circ})$.

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$\frac{{\sin 3A - \cos \left( {\frac{\pi }{2} - A} \right)}}{{\cos A + \cos (\pi + 3A)}} = $

$\cot 5^o - \tan 5^o - 2 \tan 10^o - 4 \tan 20^o - 8 \cot 40^o$ ની કિંમત શોધો.

જો $\sec \theta + \tan \theta = p$ હોય,તો $\tan \theta$ ની કિંમત કેટલી થાય?

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