COMEDK · Maths · 8. Trigonometric Ratios & Identities
If \(\tan A-\tan B=x\) and \(\cot B-\cot A=y\), then \(\cot (A-B)=\)
- A \(\frac{1}{y}-\frac{1}{x}\)
- B \(\frac{1}{x}-\frac{1}{y}\)
- C \(\frac{1}{x}+\frac{1}{y}\)
- D None of these
Answer & Solution
Correct Answer
(C) \(\frac{1}{x}+\frac{1}{y}\)
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