Question

i) x = sin t, y = cos 2t find dy/dx​

Answer 1

Answer:

-4×sin t

Step-by-step explanation:

dx/dt = cos(t)

dy/dt = -2sin(2t)

dy/dt × dt/dx = dy/dx = -2sin(2t)/ cos(t) ..... [using sin2x=2sinx×cosx]

dy/dx= -4×sin(t)

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