જો $\tan A = \frac{1 - \cos B}{\sin B}$ હોય,તો $\tan 2A =$

  • A
    $\tan B$
  • B
    $\cot B$
  • C
    $2 \tan B$
  • D
    $2 \cot B$

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Similar Questions

$ABCD$ એક લંબચોરસ છે જેમાં $AC$ એ વિકર્ણ છે. $(\tan^2 \angle CAD + 1) \sin^2 \angle BAC$ નું મૂલ્ય શોધો.

જો $\tan \beta = \cos \theta \tan \alpha$ હોય,તો ${\tan ^2}\frac{\theta }{2} = $

જો $(\sec \alpha + \tan \alpha )(\sec \beta + \tan \beta )(\sec \gamma + \tan \gamma ) = \tan \alpha \tan \beta \tan \gamma $ હોય,તો $(\sec \alpha - \tan \alpha )(\sec \beta - \tan \beta )(\sec \gamma - \tan \gamma ) = $

જો $\frac{2\sin \alpha}{1 + \cos \alpha + \sin \alpha} = y$ હોય,તો $\frac{1 - \cos \alpha + \sin \alpha}{1 + \sin \alpha} = $

જો $A + B + C = \pi$ હોય,તો $\frac{{\cos A}}{{\sin B\sin C}} + \frac{{\cos B}}{{\sin C\sin A}} + \frac{{\cos C}}{{\sin A\sin B}} = $

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