જો $\sin \theta = \frac{3}{5}$ અને $\theta$ પ્રથમ ચરણમાં નથી,તો $15 \sin 2 \theta - 20 \cos 2 \theta - 7 \tan 2 \theta = $

  • A
    -$4$
  • B
    -$12$
  • C
    $12$
  • D
    $4$

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Similar Questions

જો $P = \tan 20^\circ$ હોય, તો $\frac{\tan 160^\circ - \tan 110^\circ}{1 + \tan 160^\circ \tan 110^\circ}$ ની કિંમત $P$ ના સ્વરૂપમાં શું થશે?

$\frac{1 + \sin A - \cos A}{1 + \sin A + \cos A} = $

જો $\tan A = \frac{1}{2}$ હોય,તો $\tan 3A = $

સાબિત કરો કે $\sin 2x + 2 \sin 4x + \sin 6x = 4 \cos^2 x \sin 4x$.

જો $\cos A = \frac{3}{4}$ હોય,તો $32 \sin \left(\frac{A}{2}\right) \sin \left(\frac{5A}{2}\right) = $

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