$\Delta ABC$ માં,$m \angle C = 90^{\circ}$ અને $\cos B = \frac{1}{2}$ હોય,તો $\operatorname{cosec} A = \ldots$

  • A
    $\frac{1}{2}$
  • B
    $\sqrt{3}$
  • C
    $\frac{2}{\sqrt{3}}$
  • D
    $2$

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Similar Questions

$\tan \theta + \cot \theta = \ldots \ldots \ldots$

'True' (સાચું) અથવા 'False' (ખોટું) લખો અને તમારા જવાબનું સમર્થન કરો.
$(\tan \theta+2)(2 \tan \theta+1)=5 \tan \theta+\sec ^{2} \theta$

$(1-\cos \theta)(1+\cos \theta) = \dots$

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

જો $a \sin \theta = 3$ અને $a \cos \theta = 4$ હોય,તો $a = \dots$ (જ્યાં $a > 0$).

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