COMEDK Exam 2018 Solved Paper

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Question : 135 of 180

Marks: +1, -0

If tan‌A−tan‌B=x and cot‌B−cot‌A=y, then cot(A−B)=

‌
1
y
−‌
1
x
‌
1
x
−‌
1
y
‌
1
x
+‌
1
y
None of these

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