Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesTrigonometrical ratios of multiple and sub-multiple angles
EasyThe value of $\tan \frac{\pi}{8}$ is equal to
- A$\frac{1}{2}$
- B$\sqrt{2}+1$
- C$\frac{1}{\sqrt{2}+1}$
- D$1-\sqrt{2}$
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