Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesFundamental trigonometrical ratios and functions, Trigonometrical ratio of allied angles
Easy$\cos \theta(\operatorname{cosec} \theta - \sec \theta) - \cot \theta =$
- A$-1$
- B$1$
- C$0$
- D$\cos^2 \theta - \tan^2 \theta$
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व्यंजक $[1 - \sin(3\pi - \alpha) + \cos(3\pi + \alpha)] [1 - \sin(\frac{3\pi}{2} - \alpha) + \cos(\frac{5\pi}{2} - \alpha)]$ को सरल करने पर क्या प्राप्त होता है?
Difficult
View Solution$\left(\frac{\sin 35^{\circ}}{\cos 55^{\circ}}\right)^2+\left(\frac{\cos 55^{\circ}}{\sin 35^{\circ}}\right)^2-2 \cos 30^{\circ}=$
$\sin 600^\circ \cos 330^\circ + \cos 120^\circ \sin 150^\circ$ का मान है
Easy
View Solutionनिम्नलिखित डिग्री माप के संगत रेडियन माप ज्ञात कीजिए: $520^{\circ}$
Easy
View Solution$\cos 1^\circ + \cos 2^\circ + \cos 3^\circ + \dots + \cos 180^\circ = $
Easy
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