AP

MATHEMATICS · Subjective · AP · AP Precalculus · Functions with Parameters, Vectors, and Matrices · Functions with Parameters, Vectors, and Matrices

Problem

If x=a(cos⁡t+tsin⁡t)x = a(\cos t + t \sin t), y=a(sin⁡t−tcos⁡t)y = a(\sin t - t \cos t). Find d2ydx2\frac{d^2 y}{dx^2}

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