EXAMPLE 2 Find sin$(7x) cos”7x) dx. SOLUTION We could convert cos?(7x) to 1 - sin?(7x), but...

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math calculus

Answer 1

Answer #1

to solon) (shen) dx Now put 7x=t dx = at) I = smit) asht)dt Now и ри bestselt cast = ce smtat=de) 2: 3/(amlets) (caskets) (dt

Answer 2

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