Question: Calculus Show that the difference quotient for f (x) = cos x is given by f(x +h)-f(x) h cos(x + h) cos x h sinx

Calculus Show that the difference quotient for f (x) = cos x is given byf(x +h)-f(x) h cos(x + h) cos x h sinx . sin

f(x +h)-f(x) h cos(x + h) cos x h sinx . sin h h COS X 1 - cosh h

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