1.

Which of the following values suits for A to make the equation \(\frac {A \tan 62^\circ \sec 28^\circ \cot 38^\circ}{\rm cosec 62^\circ \tan 11^\circ} = 1\) true?

A. \(\frac {\tan 38^\circ \tan 79^\circ}{\tan 28^\circ}\)
B. \(\frac {\tan 28^\circ \tan 38^\circ}{\tan 79^\circ}\)
C. \(\frac {\tan 28^\circ \tan 79^\circ}{\tan 38^\circ}\)
D. \(\frac {\tan 38^\circ}{\tan 79^\circ \tan 28^\circ}\)
Answer» C. \(\frac {\tan 28^\circ \tan 79^\circ}{\tan 38^\circ}\)


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