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secondary 4 | A Maths
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stuck at this qn for quite some time
Date Posted: 4 years ago
Views: 186
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done
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clear
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usually for integration of trigo with power function, try to use cos(2x)=2cos^x-1=1-2sin^2x=cos^2x-sin^2x rule!
Date Posted:
4 years ago
oh thank you!!
Welc jia yous
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