જો $\sin ^{2}(3 x+30^{\circ})+\cos ^{2}(2 x+45^{\circ})=1$ હોય,તો $x = \dots$ ($^{\circ}$ માં)

  • A
    $0$
  • B
    $15$
  • C
    $30$
  • D
    $60$

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Similar Questions

જો $\cos \theta = \frac{1}{\sqrt{2}}$ હોય,તો $\theta = \ldots$ ($^\circ$ માં)

સાબિત કરો કે,
$\frac{\sin \theta}{1+\cos \theta}+\frac{1+\cos \theta}{\sin \theta}=2 \operatorname{cosec} \theta$

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

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

$\frac{\cos (90^{\circ}- A ) \sin (90^{\circ}- A )}{\tan (90^{\circ}- A )}$ નું સાદું રૂપ ....... છે.

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