Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesMix Examples-Trigonometrical Ratios, Functions and Identities
Mediumજો $\sin x \cosh y = \cos \theta$ અને $\cos x \sinh y = \sin \theta$ હોય,તો $\sin^2 x + \cosh^2 y =$
- A$1$
- B$0$
- C$2$
- D$\cos 2 \theta$
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જો $\sin x \cosh y = \cos \theta$,$\cos x \sinh y = \sin \theta$ અને $4 \tan x = 3$ હોય,તો $\sinh^2 y =$
જો $2 \tan^2 \theta - 4 \sec \theta + 3 = 0$ હોય,તો $2 \sec \theta =$
$\tan 81^{\circ} - \tan 63^{\circ} - \tan 27^{\circ} + \tan 9^{\circ}$ નું મૂલ્ય શોધો.
$\frac{1}{\sin 1^{\circ} \sin 2^{\circ}}+\frac{1}{\sin 2^{\circ} \sin 3^{\circ}}+\ldots+\frac{1}{\sin 89^{\circ} \sin 90^{\circ}} = $
$e^{\log _{10} \tan 1^{\circ}+\log _{10} \tan 2^{\circ}+\log _{10} \tan 3^{\circ}+\ldots+\log _{10} \tan 89^{\circ}}$ ની કિંમત શોધો.
MediumKCET 2023
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