trigonometry

Question: $\sec {{50}^{o}}+\tan {{50}^{o}}$ is equal to

1) $\tan {{20}^{o}}+\tan {{50}^{o}}$

2) $2\tan {{20}^{o}}+\tan {{50}^{o}}$

3) $\tan {{20}^{o}}+2\tan {{50}^{o}}$

4) $2\tan {{20}^{o}}+2\tan {{50}^{o}}$

Solution:

Explanation: No Solution

Trigonometric ratios of sum and difference of two and three

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