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 ) = $

  • A
    $\cot \alpha \cot \beta \cot \gamma $
  • B
    $\tan \alpha \tan \beta \tan \gamma $
  • C
    $\cot \alpha + \cot \beta + \cot \gamma $
  • D
    $\tan \alpha + \tan \beta + \tan \gamma $

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જો $(\sin \alpha + \operatorname{cosec} \alpha)^{2} + (\cos \alpha + \sec \alpha)^{2} = K + \tan^{2} \alpha + \cot^{2} \alpha$ હોય,તો $K$ ની કિંમત શોધો.

જો $\alpha = 22^\circ 30'$ હોય,તો $(1 + \cos \alpha )(1 + \cos 3\alpha )(1 + \cos 5\alpha )(1 + \cos 7\alpha )$ ની કિંમત શોધો.

જો $\tan (A-B) = \frac{7}{24}$ અને $\tan A = \frac{4}{3}$ હોય,જ્યાં $A$ અને $B$ લઘુકોણ છે,તો $A+B = $

$\Delta ABC$ માં,$\angle B = \frac{\pi}{3}$,$\angle C = \frac{\pi}{4}$ અને $D$ એ $BC$ ને $1:3$ ના ગુણોત્તરમાં આંતરિક રીતે વિભાજિત કરે છે,તો $\frac{\sin \angle BAD}{\sin \angle CAD}$ ની કિંમત શોધો.

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$\sin^2 \frac{\pi}{8} + \sin^2 \frac{3\pi}{8} + \sin^2 \frac{5\pi}{8} + \sin^2 \frac{7\pi}{8}$ નું મૂલ્ય શું છે?

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