Calculus

1.) solve for x, 2 = (2x+2)e^x

2.) If you forget the expression that results when differentiating the tangent function. Explain how you can derive this derivative using another method?

Note: question 2 has no correlation with question 1, also no mistakes were made with question 2.

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  1. (2x+2)e^x = 2
    (x+1) e^x = 1
    by inspection, x=0

    tanx = sinx/cosx
    so use the quotient rule

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    oobleck

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