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If a curve y=y(x) passes through the point \left(1,\dfracπ2\right) and satisfies the differential equation (7x^4\cot y-e^x\csc y),\dfracdxdy=x^5,\ x\ge1, then at x=2, the value of \cos y is: | Watch the step-by-step video solution for this NIMCET PYQ.