Differentiation Worded Problem Involving Cos

asked 2014-01-02 01:43:13 +0200

anonymous user


updated 2014-01-02 08:47:37 +0200

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.

edit retag flag offensive close merge delete



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 07:58:30 +0200 )edit