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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Similar Questions
$\tan \frac{2\pi}{5} - \tan \frac{\pi}{15} - \sqrt{3} \tan \frac{2\pi}{5} \tan \frac{\pi}{15}$ ની કિંમત શોધો.
Easy
View Solution$\sin \frac{5 \pi}{12} \sin \frac{\pi}{12}$ નું મૂલ્ય શું છે?
જો $\sin \theta = \frac{-12}{13}$,$\cos \phi = \frac{-4}{5}$ અને $\theta, \phi$ ત્રીજા ચરણમાં હોય,તો $\tan(\theta - \phi) =$
જો $A > B$ અને $\tan A - \tan B = x$ તથા $\cot B - \cot A = y$ હોય,તો $\cot (A - B) = $
$\cos ^2 48^{\circ}-\sin ^2 12^{\circ} = $ . . . . . . ,જો $\sin 18^{\circ} = \frac{\sqrt{5}-1}{4}$ હોય તો.
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