$2 \sin ^{2} \theta + 3 \cos ^{2} \theta$ ની ન્યૂનતમ કિંમત કેટલી છે?

  • A
    $1$
  • B
    $3$
  • C
    $2$
  • D
    $4$

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Similar Questions

$2\cos^2 \theta - 2\sin^2 \theta = 1$,તો $\theta = \dots \dots ^\circ$

$\cos \frac{\pi }{5} \cos \frac{2\pi }{5} \cos \frac{4\pi }{5} \cos \frac{8\pi }{5} = $

$\tan 20^\circ \tan 40^\circ \tan 60^\circ \tan 80^\circ = $

જો $5 \sin \theta = 3$ હોય,તો $\frac{\sec \theta - \tan \theta}{\sec \theta + \tan \theta}$ નું સંખ્યાત્મક મૂલ્ય શોધો.

જો $\theta$ બીજા ચરણમાં હોય,તો $\sqrt{\frac{1 - \sin \theta}{1 + \sin \theta}} + \sqrt{\frac{1 + \sin \theta}{1 - \sin \theta}}$ ની કિંમત શોધો.

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