Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesMix Examples-Trigonometrical Ratios, Functions and Identities
Easyજો $\cos ^2 84^{\circ}+\sin ^2 126^{\circ}-\sin 84^{\circ} \cos 126^{\circ}=K$ અને $\cot A+\tan A=2 K$ હોય,તો $\tan A$ ની શક્ય કિંમતો શોધો.
- A$\frac{1}{2}, 2$
- B$\frac{1}{3}, 3$
- C$\frac{2}{3}, \frac{3}{2}$
- D$\frac{3}{4}, \frac{4}{3}$
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પદાવલિ $\frac{\cos 6x + 6\cos 4x + 15\cos 2x + 10}{\cos 5x + 5\cos 3x + 10\cos x}$ ની કિંમત શોધો.
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View Solutionજો $\sin^{2}(10^{\circ}) \sin(20^{\circ}) \sin(40^{\circ}) \sin(50^{\circ}) \sin(70^{\circ}) = \alpha - \frac{1}{16} \sin(10^{\circ})$ હોય,તો $16 + \alpha^{-1}$ ની કિંમત શોધો.
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View Solution$\sqrt{3} \, \text{cosec} \, 20^\circ - \text{sec} \, 20^\circ$ ની કિંમત શું છે?
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View Solutionધારો કે $f(\theta) = \sin \theta (\sin \theta + \sin 3\theta)$,તો $f(\theta)$
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DifficultAP EAMCET 2021
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