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secondary 4 | A Maths
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Chelsea
Chelsea

secondary 4 chevron_right A Maths chevron_right Singapore

Pls help with q1 thanks!

Date Posted: 4 years ago
Views: 507

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Christmas MT
Christmas Mt's answer
2904 answers (A Helpful Person)
1st
Find the basic angles, then deduce whether the answer is positive or negative based on which quadrant the angle is in!
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syjiaxuan
Syjiaxuan's answer
290 answers (A Helpful Person)
Hope this helps, impt points in pink