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secondary 4 | A Maths
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Sonia
Sonia

secondary 4 chevron_right A Maths chevron_right Singapore

Hi!’ Please help with (B)
cos^32x dx.. Thank you !!

Date Posted: 5 years ago
Views: 193

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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
1st
Hi Sonia! The trick is to split the cos^3 into a cos times cos^2 and perform an identity on the cos^2 to obtain 1 - sin^2.
Sonia
Sonia
5 years ago
Thank you for the quick solution! Appreciate it