Gate EC-2015 – 2 Question Paper With Solutions

Q. 26 The general solution of the differential equation

(A) tany − cot x = c (c is a constant)

(B) tanx − cot y = c (c is a constant)

(C) tany + cot x = c (c is a constant)

(D) tanx + cot y = c (c is a constant)

Answer: (C)

Explanation: