The common principal solution of the equations = 1 2 and = 1 3 is

MHT CET 2025 Mathematics question

The common principal solution of the equations and is

(A)Correct
(B)
(C)
(D)

Answer: (A)

Solution

Principal solutions lie in . gives or (sine positive in quadrants I and II). gives or (tangent positive in quadrants I and III). The only value common to both sets is

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Question ID VK-102711