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ammu123
 one year ago
integrate 6cos^3(3x)
ammu123
 one year ago
integrate 6cos^3(3x)

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hartnn
 one year ago
Best ResponseYou've already chosen the best response.2hello :) have you attempted this integral ?

hartnn
 one year ago
Best ResponseYou've already chosen the best response.2there are several ways to solve this integral, one of the ways include, writing \(\cos^3 3x \) as \(\cos^2 x \times \cos x\) and do a 'u' substitution u= sin x

hartnn
 one year ago
Best ResponseYou've already chosen the best response.2will you try this method ? if you get stuck, ask me, i'll help you out :)
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