Mathematics
Senior High

答えと違うのですが、この解き方間違えてますか?

1 (5) 「 dx sin Sinx 2dセ-Sinxodx HC HO3XHC SyPx dx IHcosx (-co5エ Sirix (-corx de t-co5xとおく。 Sinx TO3ス 2

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