Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesTrigonometrical ratios of sum and difference of two and three angles
Easy$\sin 75^\circ = $
- A$\frac{2 - \sqrt{3}}{2}$
- B$\frac{\sqrt{3} + 1}{2\sqrt{2}}$
- C$\frac{\sqrt{3} - 1}{-2\sqrt{2}}$
- D$\frac{\sqrt{3} - 1}{2\sqrt{2}}$
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Similar Questions
$\frac{\tan 70^o - \tan 20^o}{\tan 50^o}$ का मान ज्ञात कीजिए।
Medium
View Solutionयदि $2 \sin \left(\theta+\frac{\pi}{3}\right)=\cos \left(\theta-\frac{\pi}{6}\right)$ है,तो $\tan \theta$ का मान ज्ञात कीजिए।
यदि $m \tan (\theta - 30^\circ) = n \tan (\theta + 120^\circ)$ है,तो $\frac{m + n}{m - n} = $
$\cos A + \cos (240^\circ + A) + \cos (240^\circ - A) = $
Easy
View Solutionयदि $\cos (\alpha+\beta)=\frac{4}{5}$,$\sin (\alpha-\beta)=\frac{5}{13}$ और $\alpha, \beta$ का मान $0$ और $\frac{\pi}{4}$ के बीच है,तो $\tan 2 \alpha$ का मान ज्ञात कीजिए।
DifficultAP EAMCET 2002
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