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secondary 4 | A Maths
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Max Ang
Max Ang

secondary 4 chevron_right A Maths

Hi could anyone help me solve this question ASAP, would really appreciate it

Date Posted: 6 years ago
Views: 306

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Kenny Ng
Kenny Ng's answer
37 answers (Tutor Details)
1st
Use addition formula for cos(x+45) .
Max Ang
Max Ang
6 years ago
Thank you