જો $a \cos \theta + b \sin \theta = p$ અને $a \sin \theta - b \cos \theta = q$ હોય,તો $a, b, p$ અને $q$ વચ્ચેનો સંબંધ શું છે?

  • A
    $a^{2} - b^{2} = p^{2} - q^{2}$
  • B
    $a^{2} + b^{2} = p^{2} + q^{2}$
  • C
    $a + b = p + q$
  • D
    $a - b = p - q$

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જો $3 \sin \theta + 5 \cos \theta = 5$ હોય,તો $5 \sin \theta - 3 \cos \theta$ ની કિંમત કેટલી થશે?

જો $\sqrt x + \frac{1}{{\sqrt x }} = 2\cos \theta$ હોય,તો ${x^6} + {x^{ - 6}} = $

$\sin ^{6} \theta+\cos ^{6} \theta$ ની કિંમત કેટલી થાય?

Difficult
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$\tan 75^\circ - \cot 75^\circ = $

$\cos^2 \left( \frac{\pi}{6} + \theta \right) - \sin^2 \left( \frac{\pi}{6} - \theta \right) = $

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