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Find the equations of the tangent and the normal to the curve `x=3costheta-cos^3theta,\ \ y=3sintheta-sin^3theta`

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  9. Determine the equation(s) of tangent(s) line to the curve y=4x^3-3x...

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  11. Find the equation of the tangent line to the curve y=x^2-2x+7 which...

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  12. Find the equation of the tangent line to the curve y=x^2-2x+7 which...

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  13. Find the equations of all lines having slope 2 and that are tangent...

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  19. At what point will be tangents to the curve y=2x^3-15 x^2+36 x-21 be p...

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