Common Calculus Mistakes
Sum Rule: Constants

The Goal



The Mistake

Find the mistake:


(Roll the mouse over the math to see a hint in red)

The Correction


(Roll the mouse over the area above to see the correction in blue)

An Explanation

The derivative of 1 (with respect to t) is 0, not 1.

(The student may have hurried past the derivative of 1 to do the derivative of cos(t); take care with all parts of a problem.)

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