Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesMix Examples-Trigonometrical Ratios, Functions and Identities
Difficultકિંમત શોધો: $\sin ^2 18^{\circ}+\sin ^2 24^{\circ}+\sin ^2 36^{\circ}+\sin ^2 42^{\circ}+\sin ^2 78^{\circ}+\sin ^2 90^{\circ}+\sin ^2 96^{\circ}+\sin ^2 102^{\circ}+\sin ^2 138^{\circ}+\sin ^2 162^{\circ}$
- A$\frac{11}{2}$
- B$\frac{9}{2}$
- C$5$
- D$4$
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Similar Questions
$\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}} = $
સમીકરણ $y = \sin \,x \sin \,(x + 2) - \sin^2 \,(x + 1)$ એ કયા ચરણમાં આવેલી સીધી રેખા દર્શાવે છે?
DifficultJEE MAIN 2019
View Solutionજો $\tan A = \tan \alpha \coth x = \cot \beta \tanh x$ હોય,તો $\tan (\alpha + \beta) =$
DifficultAP EAMCET 2023
View Solution$\tan 1^{\circ}, \tan 2^{\circ}, \ldots, \tan 89^{\circ}$ નો ગુણોત્તર મધ્યક (geometric mean) શોધો.
ત્રિકોણ $ABC$ માં,જો $3 \sin A + 4 \cos B = 6$ અને $4 \sin B + 3 \cos A = 1$ હોય,તો $\sin (A + B)$ ની કિંમત શોધો.
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