Question

What are the equations of the tangent and normal lines to the following curve:

y^{2}+y+x=arctan^{2}(sin^{3}(x)) at
point (0,1)

Remember that (arctan (u)=tan^{-1}(u))

Answer #1

What are the equations of the tangent and normal lines to the
following curve: y2+y+x =
arctan2(sin3(x)) at point (0,-1) Remember
that (arctan (u)=tan-1(u))

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2.

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8. x^2+y^2=25,(-3,-4)
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_______________________

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- I got to dy/dx = -x/4y Now that I have that i am stuck.

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Explanation would be appreciated!

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