g(x) = sin2(2x) - x w(t) = sin(e^t) + esin(t). y(x) = tan(x^2) can someone help me get started with these...thanks...
Last edited by mathaction; Oct 3rd 2007 at 06:23 PM.
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Originally Posted by mathaction g(x) = sin2(2x) - x w(t) = sin(et) + esin(t). y(x) = tan(x2) can someone help me get started with these...thanks... The derivative of $\displaystyle sin(x)$ is $\displaystyle cos(x)$. Use the chain rule. -Dan
Originally Posted by mathaction y(x) = tan(x^2) and the derivative of $\displaystyle \tan x$ is $\displaystyle \sec^2 x$. you also need the chain rule here
can you show me how to do it...i dont get it
Originally Posted by mathaction can you show me how to do it...i dont get it You should know the derivative of the sine function. This is basic. The derivative of the tangent function: [tex]\frac{d}{dx}tan(x) = \frac{d}{dx}\frac{sin(x)}{cos(x)} Now use the quotient rule. -Dan
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