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

'True' (સાચું) અથવા 'False' (ખોટું) લખો અને તમારા જવાબનું સમર્થન કરો.
પદાવલિ $(\sin 80^{\circ} - \cos 80^{\circ})$ નું મૂલ્ય ઋણ છે.

$\tan 23^{\circ} \tan 42^{\circ} \tan 48^{\circ} \tan 67^{\circ} = \ldots \ldots \ldots \ldots .$

Difficult
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સાબિત કરો કે,
$(\sqrt{3}+ 1) (3-\cot 30^{\circ})=\tan ^{3} 60^{\circ}-2 \sin 60^{\circ}$

સાબિત કરો કે,
$\frac{\tan A}{1+\sec A} + \frac{\tan A}{\sec A-1} = 2 \operatorname{cosec} A$

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

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