Eric Nicholas K's answer to Anika's Junior College 2 H2 Maths Singapore question.
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First one, will look at the second at 4 am if no one else has done them. Also note that cos^2 2x should not be integrated starting from (cos 2x)^2 and bringing the power up by 1.
Date Posted:
4 years ago
thx for spot my mistake
Thank you !!
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