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

  • A
    $\cos 55^{\circ}$
  • B
    $\sin 55^{\circ}$
  • C
    $\sec 35^{\circ}$
  • D
    $\operatorname{cosec} 35^{\circ}$

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સાબિત કરો કે,$(\sin \alpha+\cos \alpha)(\tan \alpha+\cot \alpha)=\sec \alpha+\operatorname{cosec} \alpha$

જો $1+\sin ^{2} \theta=3 \sin \theta \cos \theta$ હોય,તો સાબિત કરો કે $\tan \theta=1$ અથવા $\frac{1}{2}$ થાય.

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આપેલ છે કે $\alpha + \beta = 90^{\circ}$,તો સાબિત કરો કે $\sqrt{\cos \alpha \operatorname{cosec} \beta - \cos \alpha \sin \beta} = \sin \alpha$.

$\frac{\sin 60^{\circ} + \cos 30^{\circ}}{1 + \sin 30^{\circ} + \cos 60^{\circ}} = \dots$

જો $\operatorname{cosec} A = \sqrt{10}$ હોય,તો $\sin A = \dots$

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