Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesFundamental trigonometrical ratios and functions, Trigonometrical ratio of allied angles
Easy$\frac{1}{1+\sin \theta}+\frac{1}{1-\sin \theta} = $
- A$2 \cos ^2 \theta$
- B$-2 \cos ^2 \theta$
- C$2 \tan ^2 \theta$
- D$2 \sec ^2 \theta$
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Similar Questions
$\sin \left(\frac{5 \pi}{3}\right) + \sec \left(\frac{13 \pi}{3}\right) = $
सभी त्रिकोणमितीय फलन किस प्रकार के फलन होते हैं?
Medium
View Solution$\tan \left(1^{\circ}\right)+\tan \left(89^{\circ}\right)$ का मान क्या है?
MediumKCET 2015
View Solution$\sin \frac{31 \pi}{3}$ का मान ज्ञात कीजिए।
Easy
View Solutionयदि $\sin A = \frac{-7}{25}$,$\cos B = \frac{8}{17}$,$A$ तीसरे चतुर्थांश में नहीं है और $B$ पहले चतुर्थांश में नहीं है,तो $8 \tan A - 5 \cot B =$
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