9.13-1130-comp.pdf - Announcements Exams will Recitation be returned Tuesday during J We Know J But what about other cos trig C cos dx sin sink dx 1C

9.13-1130-comp.pdf - Announcements Exams will Recitation be...

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AnnouncementsExamswillbereturnedTuesdayduringRecitation
AntiderivativesofTrigfunctionsWeKnowJsindxcosCJcosdxsink1CButwhatabout othertrigfunctionsTechniquewriteeverythinginTangentternsofsineandcookgtankdsubstitutionscinoffydxwcosduesinkdxJduoInluttClnlcoscx
secantSecxICoscxJseccxdxthenmakeintegral easierJseetonseedyTrysometiniggelsetonx1SecRewritetheintegralsothatIconJtuseasubstitutiontankCseekBathatseeseekseccxjtcn.CHduseccxstacxlts.ecx1dXadyftonCxJseECxJutdalnlultclnlseccxsta.CN
MorecomplicatedintegralsinvolvingSinaCosaJsinkscosCxasinkdrecoscxdigrimMimicthisideawewillwritesinkcoskxdxPythageoIdentiysinkcoscosDXsink105411sin47codexcosDXsueussincefsinkxlsincxcosDXducoscxSukiri2duSub2u8n'Odufeet2galtfaCfsinlEqsinltfsin
ThistechniqueworkswheneverwehaveanoddpowerofsineorcoscxEvenpowersHarderingeneralsintaos01DoubleiAngleCostcocost

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