RRB NTPC · Question 85
If \(\sin \theta =\frac{3}{5}\) and \(\cos \theta =\frac{4}{5}\), then the value of \(\frac{1+\tan \theta}{1-\cot \theta}\) is:
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Answer: (C) \(\frac{-21}{4}\)
Explanation
tan θ = 3/4 and cot θ = 4/3. (1 + 3/4)/(1 − 4/3) = (7/4)/(−1/3) = −21/4.