Class 11MathematicsTrigonometric FunctionsMix Examples-Trigonometrical Ratios, Functions and Identities
Easyજો $\sin A + \cos A = \sqrt{2}$ હોય,તો $\cos^2 A = $
- A$\frac{1}{4}$
- B$\frac{1}{2}$
- C$\frac{1}{\sqrt{2}}$
- D$\frac{3}{2}$
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Similar Questions
$16 \sin 12^{\circ} \cos 18^{\circ} \sin 48^{\circ} = $
$\frac{\sin 1^{\circ}+\sin 2^{\circ}+\ldots+\sin 89^{\circ}}{2(\cos 1^{\circ}+\cos 2^{\circ}+\ldots+\cos 44^{\circ})+1} = $
DifficultAP EAMCET 2024
View Solutionજો $x \cos \theta + y \sin \theta = 5$ અને $x \sin \theta - y \cos \theta = 3$ હોય,તો $x^{2} + y^{2}$ ની કિંમત શોધો.
કિંમત શોધો: $\sin \frac{\pi}{12} \sin \frac{2 \pi}{12} \sin \frac{3 \pi}{12} \sin \frac{4 \pi}{12} \sin \frac{5 \pi}{12} \sin \frac{6 \pi}{12}$
જો $\cos \alpha + \cos \beta + \cos \gamma = 0$ અને $\sin \alpha + \sin \beta + \sin \gamma = 0$ હોય,તો $\cos 2\alpha + \cos 2\beta + \cos 2\gamma$ ની કિંમત શોધો.
Difficult
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