$\Delta XYZ$ માં $Y$ આગળ કાટખૂણો છે. જો $m \angle X = 60^{\circ}$ હોય,તો $\left(\sec Z + \frac{2}{\sqrt{3}}\right)$ ની કિંમત શોધો.

  • A
    $\frac{4}{\sqrt{3}}$
  • B
    $\frac{\sqrt{2}+2}{2\sqrt{2}}$
  • C
    $\frac{7}{2\sqrt{3}}$
  • D
    $\frac{4}{2\sqrt{3}}$

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ધારો કે $E = \left( {1 - \frac{{\cos 61^\circ}}{{\cos 1^\circ}}} \right) \left( {1 - \frac{{\cos 62^\circ}}{{\cos 2^\circ}}} \right) \dots \left( {1 - \frac{{\cos 119^\circ}}{{\cos 59^\circ}}} \right)$,તો $E$ ની કિંમત શોધો:

$\sin 10^\circ \sin 30^\circ \sin 50^\circ \sin 70^\circ$ નું મૂલ્ય શોધો.

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

$2\sin^2 \beta + 4\cos(\alpha + \beta)\sin \alpha \sin \beta + \cos 2(\alpha + \beta) = $

નીચેનામાંથી કયું સાચું છે?

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