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

  • A
    $30$
  • B
    $45$
  • C
    $60$
  • D
    $90$

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Similar Questions

$(1+\tan ^{2} \theta)(1-\cos ^{2} \theta) = \dots$

$\sin^{2} 60^{\circ} - \tan 45^{\circ} + \cos^{2} 30^{\circ} - \cot 90^{\circ} = \ldots$

$\frac{1}{\cos ^{2} \theta}-\frac{1}{\cot ^{2} \theta} = \dots$

જો $\tan \theta = 1$ હોય,તો $\sin \theta \cdot \cos \theta = \dots$

જો $\sec \theta = \frac{5}{3}$ હોય,તો $\tan \theta = \ldots$

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