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secondary 4 | A Maths
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Leah
Leah

secondary 4 chevron_right A Maths chevron_right Singapore

Hi, I need help with this question. Thanks in advance!

Date Posted: 4 years ago
Views: 184
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Cherlyn Ng
Cherlyn Ng's answer
2 answers (Tutor Details)
1st
Use trigo identities then use algebraic manipulation to get the answer