$\frac{1}{4} [\sqrt{3} \cos 23^\circ - \sin 23^\circ] = $

  • A
    $\cos 43^\circ$
  • B
    $\cos 7^\circ$
  • C
    $\cos 53^\circ$
  • D
    આમાંથી કોઈ નહીં

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$\sin 47^\circ + \sin 61^\circ - \sin 11^\circ - \sin 25^\circ$ ની કિંમત શોધો.

જો $a^2 + 2a + \csc^2 \left( \frac{\pi}{2}(a + x) \right) = 0$ હોય,તો નીચેનામાંથી કયું સાચું છે?

જો $\sec \theta = x + \frac{1}{4x}$ જ્યાં $0^{\circ} < \theta < 90^{\circ}$ હોય,તો $\sec \theta + \tan \theta$ ની કિંમત શોધો:

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$\sin (\beta + \gamma - \alpha ) + \sin (\gamma + \alpha - \beta ) + \sin (\alpha + \beta - \gamma ) - \sin (\alpha + \beta + \gamma ) = $

જો $\sin \theta_1 + \sin \theta_2 + \sin \theta_3 = 3$ હોય,તો $\cos \theta_1 + \cos \theta_2 + \cos \theta_3 =$

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