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secondary 4 | A Maths
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I tried redoing a few times but still couldn't solve it. Pls help! Thanks
Date Posted: 4 years ago
Views: 200
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done
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clear
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Good morning Irene! Here are my workings for this question. For the last part, you can also use the addition formula to split the cosine rather than the formulae I wrote in red.
Date Posted:
4 years ago
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