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19-20-21
19. [5pts.Each] Find the derivative of the functions: sin x a. y = b. g(x)=e* cosh(x²) 20. [5pts.] ALSO Q3 f(x)= x - cos x, 0
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19-20-21 19. [5pts.Each] Find the derivative of the functions: sin x a. y = b. g(x)=e*...
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