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secondary 3 | A Maths
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Benjay
Benjay

secondary 3 chevron_right A Maths chevron_right Singapore

Need help thanks!

Date Posted: 1 year ago
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Low Yi Yin
Low Yi Yin's answer
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Hope this helps! ;))
For proving questions, first simplify everything to sine and cosine and then try to form the RHS using trigo identities + double angle formulas