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[M2] Integration problem seeks for model answer steps

luckjoe

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1^# 大中小發表於 2022-3-24 09:07 PM (第 772 天) 顯示全部帖子

Integration problem seeks for model answer steps

Please help the solve the following question
I have tried it for several time but I still can't find the model answer
Here are the question and working

Thank you very much

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luckjoe

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2^# 大中小發表於 2022-3-24 11:35 PM (第 772 天) 顯示全部帖子

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回覆 2# 風之男的帖子

Thank you very much for your sincere attention.
I can’t modify sin 4 theta to the form of the answer.
Would you give me more hints?
I think I am not smart enough

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luckjoe

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3^# 大中小發表於 2022-3-25 10:28 PM (第 771 天) 顯示全部帖子

回覆 5# 風之男的帖子

Thank you very much for helping me to find the answer.
I’m so delighted that I have finally found the answer.

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luckjoe

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4^# 大中小發表於 2022-3-25 10:29 PM (第 771 天) 顯示全部帖子

回覆 6# 妙妙貓的帖子

Thank you very much for your sincere helping

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[M2] Integration problem seeks for model answer steps

Integration problem seeks for model answer steps

回覆 2# 風之男 的帖子

回覆 5# 風之男 的帖子

回覆 6# 妙妙貓 的帖子

回覆 2# 風之男的帖子

回覆 5# 風之男的帖子

回覆 6# 妙妙貓的帖子