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 d2y dx2 at this point. x = 4 sin⁡t, y = 2 cos⁡t, t = π4 The equation represents the line tangent to the curve at t = π4. (Type an exact answer, using radicals as needed. ) The value of d2y dx2 at t = π4 is (Type an exact answer, using radicals as needed. )

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 d2y dx2 at this point. x = 4 sin⁡t, y = 2 cos⁡t, t = π4 The equation represents the line tangent to the curve at t = π4. (Type an exact answer, using radicals as needed. ) The value of d2y dx2 at t = π4 is (Type an exact answer, using radicals as needed. )

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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 d 2 y d x 2 at this point.
x = 4 sin t , y = 2 cos t , t = π 4
The equation represents the line tangent to the curve at t = π 4 . (Type an exact answer, using radicals as needed.) The value of d 2 y d x 2 at t = π 4 is (Type an exact answer, using radicals as needed.)

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