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
જો $\frac{x}{\cos \alpha} = \frac{y}{\cos \left(\frac{2 \pi}{3} - \alpha\right)} = \frac{z}{\cos \left(\frac{2 \pi}{3} + \alpha\right)}$ હોય,તો $(x + y + z)$ ની કિંમત કેટલી થાય?
જો $(1+\tan \alpha)(1+\tan 4 \alpha)=2$ અને $\alpha \in \left(0, \frac{\pi}{16}\right)$ હોય,તો $\alpha$ ની કિંમત શોધો.
જો $\cos (\alpha + \beta) = \frac{3}{5}$,$\sin (\alpha - \beta) = \frac{5}{13}$ અને $0 < \alpha, \beta < \frac{\pi}{4}$ હોય,તો $\tan (2\alpha)$ ની કિંમત શોધો.
DifficultJEE MAIN 2019
View Solutionજો $A=35^{\circ}, B=15^{\circ}$ અને $C=40^{\circ}$ હોય,તો $\tan A \cdot \tan B+\tan B \cdot \tan C+\tan C \cdot \tan A$ ની કિંમત શોધો.
$\frac{\sinh(x+y) + \sinh(x-y)}{\cosh(x+y) - \cosh(x-y)} = $
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