यदि $\operatorname{cosec} \theta = \frac{2}{\sqrt{3}}$ है,तो $\theta = \ldots$ ($^\circ$ में)

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

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Similar Questions

'True' (सत्य) या 'False' (असत्य) लिखिए और अपने उत्तर का औचित्य बताइए।
$(\tan \theta+2)(2 \tan \theta+1)=5 \tan \theta+\sec ^{2} \theta$

$\cos \theta = \frac{b}{\sqrt{a^2 + b^2}}$; जहाँ,$0 < \theta < 90^\circ$; तो $\sin \theta = \dots$

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

$\tan ^{2} \theta - \sec ^{2} \theta = \ldots \ldots \ldots$

$\frac{\sec \theta-1}{\sec \theta+1} = \ldots$

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