Differentiation Worded Problem Involving Cos

asked 2014-01-01 18:43:13 -0500

anonymous user


updated 2014-01-02 01:47:37 -0500

ppurka gravatar image

Let y=4cos(x) and x be a function of t such that dx/dt = 3e^(2t) and x = 3/2 when t = 0.
The value of dy/dt when x = ?/2 is: ??

can someone please help - i have no clue how to solve this.

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This looks like homework. This forum is focused on the Sage software only. You should post your question at: http://math.stackexchange.com/ You might also find help on using the chain rule by using Paul's notes at: http://tutorial.math.lamar.edu/Classes/CalcI/ChainRule.aspx

calc314 gravatar imagecalc314 ( 2014-01-02 00:58:30 -0500 )edit