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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