જો $\cos(\alpha + \beta) = 0$ હોય,તો $\sin(\alpha + 2\beta) =$

  • A
    $\sin \alpha$
  • B
    $-\sin \alpha$
  • C
    $\cos \beta$
  • D
    $-\cos \beta$

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Similar Questions

જો $\cot x = -\frac{5}{12}$ અને $x$ બીજા ચરણમાં હોય,તો બાકીના પાંચ ત્રિકોણમિતીય વિધેયોની કિંમત શોધો.

જો $\operatorname{cosech} x = \frac{4}{5}$ હોય,તો $\sinh x = $

જો $x = \tan 15^{\circ}$,$y = \operatorname{cosec} 75^{\circ}$ અને $z = 4 \sin 18^{\circ}$ હોય,તો :

$\cos 36^{\circ} - \cos 72^{\circ}$ ની કિંમત શોધો.

જો $5 \tan \theta = 4$ હોય,તો $\frac{5 \sin \theta - 3 \cos \theta}{5 \sin \theta + 2 \cos \theta} = $

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