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Undergrad Finding the Equation of Tangent line on cos wave
its finding the normal sorry, should of said that instead,, what I've put in as the question is all the questions asks. -
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Undergrad Finding the Equation of Tangent line on cos wave
Finding the Equation of Tangent line on cos wave! Find the equation of the normal line to y = 2cos ( 4x) at x = \pi / 3 I don't even know where to start with this question, i have searched the textbook and internet, help would be appreciated.