$\cos \frac{\pi}{2^2} \cdot \cos \frac{\pi}{2^3} \cdot \dots \cdot \cos \frac{\pi}{2^{10}} \cdot \sin \frac{\pi}{2^{10}}$ ની કિંમત શોધો.

  • A
    $\frac{1}{512}$
  • B
    $\frac{1}{1024}$
  • C
    $\frac{1}{256}$
  • D
    $\frac{1}{2}$

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જો $12a + 5b = 9$,જ્યાં $a, b \in R$ હોય,તો $a^2 + b^2$ ની ન્યૂનતમ કિંમત કેટલી થાય?

$\tan 5^{\circ} \tan 25^{\circ} \tan 45^{\circ} \tan 65^{\circ} \tan 85^{\circ} = $

જો $\tan \alpha = \frac{1}{7}$ અને $\sin \beta = \frac{1}{\sqrt{10}}$ જ્યાં $0 < \alpha, \beta < \frac{\pi}{2}$ હોય,તો $2\beta$ ની કિંમત શોધો:

જો $A = \cos^2 \theta + \sin^4 \theta$ હોય,તો $\theta$ ના તમામ મૂલ્યો માટે:

જો $A + B = \frac{\pi}{4}$ હોય,તો $(1 + \tan A)(1 + \tan B) = $

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