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An equation of the line tangent to y=sinx+2cosx at (pi/2, 1) is A. 2x-y=pi-1 B. 2x+y=pi+1 C. 2x-2y=2-pi D. 4x+2y=2-pi I got A
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An equation of the line tangent to y=sinx+2cosx at (pi/2, 1) is

A. 2x-y=pi-1 B. 2x+y=pi+1 C. 2x-2y=2-pi D. 4x+2y=2-pi I got A

User ShujatAli
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lo que queres es 34  5 5 5
User Kevin Milner
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