Find an equation for the line tangent to the curve at the point defined by the given value of t. Also, find the value of
StartFraction d squared y Over dx squared EndFractiond2ydx2
at this point.
x=secant^2 t−1
,
y=cos t;
t=negative StartFraction pi Over 3 EndFraction−π/3
Write the equation of the tangent line.
y=?xplus+?
(Type exact answers, using radicals as needed.)
What is the value of
StartFraction d squared y Over dx squared EndFractiond2ydx2
at this point?
StartFraction d squared y Over dx squared EndFractiond2ydx2equals=?
(Type an exact answer, using radicals as needed.)
Hope this helps! :)
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