Sin integral problem help!! sin2x/2sinx?
回答 (1)
2017-01-25 12:50 pm
∫ [sin2x / (2 sinx)] dx
= ∫ [2 sinx cosx / (2 sinx)] dx
= ∫ cosx dx
= sinx + C
= ∫ [2 sinx cosx / (2 sinx)] dx
= ∫ cosx dx
= sinx + C
收錄日期: 2021-04-18 15:58:19
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https://hk.answers.yahoo.com/question/index?qid=20170125044446AAu61vt