JEE Math Practice Question
The expression $${{\tan {\rm A}} \over {1 - \cot {\rm A}}} + {{\cot {\rm A}} \over {1 - \tan {\rm A}}}$$ can be written as:
- A.$$\sin {\rm A}\,\cos {\rm A} + 1$$
- B.$$\,\sec {\rm A}\,\cos ec{\rm A} + 1$$
- C.$$\tan {\rm A} + \cot {\rm A}$$
- D.$$\sec {\rm A} + \cos ec{\rm A}$$
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