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secondary 3 | A Maths
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secondary 3 chevron_right A Maths chevron_right Singapore

Pls help to solve this question, thank you in advance:)

Date Posted: 1 year ago
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Jia Earn Lim
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Jia Earn Lim
Jia Earn Lim
1 year ago
For finding max/min trigo questions, generally you would always want to “reduce” the equation to just 1 trigo function, in this case R-formula will reduce the 2 trigo functions cosine and sine to just cosine, from there it will be much easier to work out the max/min values. Hope this helps ;)