6. If X=D2t, y = 5 r. %= cos find dz/dt using the chain rule....
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6. If X=D2t, y = 5 – r². %= cos find dz/dt using the chain rule. Assume the variables are re- stricted to domains on which the functions are defined. dz dt 6. If X=D2t, y = 5 – r². %= cos find dz/dt using the chain rule. Assume the variables are re- stricted to domains on which the functions are defined. dz dt
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