Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesTrigonometrical ratios of sum and difference of two and three angles
Easy$\frac{\cos 10^o + \sin 10^o}{\cos 10^o - \sin 10^o} = $
- A$\tan 55^o$
- B$\cot 55^o$
- C$-\tan 35^o$
- D$-\cot 35^o$
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यदि $\sin A = -\frac{24}{25}$,$\cos B = \frac{15}{17}$,$A$ चतुर्थ चतुर्थांश में नहीं है और $B$ प्रथम चतुर्थांश में नहीं है,तो $(A+B)$ किस चतुर्थांश में स्थित है?
$\tan 5x \tan 3x \tan 2x = $
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View Solutionयदि $\cos P = \frac{1}{7}$ और $\cos Q = \frac{13}{14}$ है,जहाँ $P$ और $Q$ दोनों न्यून कोण हैं,तो $P - Q$ का मान ....$^o$ है।
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View Solution$\cos \alpha \sin (\beta-\gamma) + \cos \beta \sin (\gamma-\alpha) + \cos \gamma \sin (\alpha-\beta)$ का मान क्या है?
यदि $\sin \theta = \sin 15^{\circ} + \sin 45^{\circ}$,जहाँ $0^{\circ} < \theta < 180^{\circ}$ है,तो $\theta =$ ($^{\circ}$ में)
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