1.

\[\sec {{50}^{o}}+\tan {{50}^{o}}\] is equal to [DCE 2002]

A. \[\tan {{20}^{o}}+\tan {{50}^{o}}\]
B. \[2\tan {{20}^{o}}+\tan {{50}^{o}}\]
C. \[\tan {{20}^{o}}+2\tan {{50}^{o}}\]
D. \[2\tan {{20}^{o}}+2\tan {{50}^{o}}\]
Answer» D. \[2\tan {{20}^{o}}+2\tan {{50}^{o}}\]


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