Unformatted text preview: • (F3a)if f (t) = cos wt , where w is a constant, then f'(t) =  w sin wt . • (F3b)if f (t) = sin wt , then f'(t) = w cos wt . These rules will give us all the necessary tools to solve many interesting kinematics problems....
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 Fall '09
 
 Derivative, Following, sin wt, cos wt

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