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3. If x2(0 + sine) and y = 2(1 - cosθ), then value of- dy/dx is (1) tanθ/2 (2) cotθ/2(3) sinθ/2(4) cosθ/

Answer» 3. If x2(0 + sine) and y = 2(1 - cosθ), then value of- dy/dx is (1) tanθ/2 (2) cotθ/2(3) sinθ/2(4) cosθ/


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