The expression

Question:

The expression $\frac{\tan \mathrm{A}}{1-\cot \mathrm{A}}+\frac{\cot \mathrm{A}}{1-\tan \mathrm{A}}$ can be written as

  1.  sinA cosA + 1

  2.  secA cosecA + 1

  3.  tanA + cotA

  4.  secA + cosecA


Correct Option: , 2

Solution:

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