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Mathematics 9 Online
OpenStudy (babyslapmafro):

In order to solve the following problem, must I convert degrees to radians? If f(x)=tanx and x0=30* and deltax=3*, find df

OpenStudy (anonymous):

yes, because if you are working in degrees, the derivative of sine is NOT cosine, the derivative of tangent is NOT secant squared, etc. you need to work in radians only

OpenStudy (babyslapmafro):

Ok, thank you very much I can solve from here...

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