જો $a \sin \theta = 3$ અને $a \cos \theta = 4$ હોય,તો $a = \dots$ (જ્યાં $a > 0$).

  • A
    $5$
  • B
    $4$
  • C
    $3$
  • D
    $2$

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Similar Questions

નીચેના વિધાન 'સાચું' છે કે 'ખોટું' તે જણાવો અને તમારા જવાબનું સમર્થન કરો:
જો $\cos A + \cos^2 A = 1$ હોય,તો $\sin^2 A + \sin^4 A = 1$ થાય.

$\cos 35^{\circ} = \ldots \ldots \ldots$

$\frac{\cos ^{2} 40^{\circ}+\cos ^{2} 50^{\circ}}{\sin ^{2} 40^{\circ}+\sin ^{2} 50^{\circ}}=\ldots \ldots \ldots \ldots$

જો $\cos 9 \alpha = \sin \alpha$ અને $9 \alpha < 90^{\circ}$ હોય,તો $\tan 5 \alpha$ ની કિંમત શોધો.

જો $\cot \theta = \frac{a}{b}$ હોય,તો $\frac{\cos \theta - \sin \theta}{\cos \theta + \sin \theta} = \ldots$

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