How does &#x222B;<!-- ∫ --> cos 4 </msup> &#x2

copafumpv 2022-05-23 Answered
How does cos 4 x 1 sin x d x simplify to ( 2 u ) 3 2 u d u
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Answers (1)

dariajoq9
Answered 2022-05-24 Author has 14 answers
cos 3 x = ( 1 sin 2 x ) 3 = ( 1 ( 1 u ) 2 ) 3 = ( u ( 2 u ) ) 3 = u u ( 2 u ) 3 2
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