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secondary 3 | A Maths
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Daddy
Daddy

secondary 3 chevron_right A Maths chevron_right Singapore

Solve ii pls

Date Posted: 1 year ago
Views: 139

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Tan Shan Jing
Tan Shan Jing's answer
26 answers (Tutor Details)
1st
hi! hope this helps:) use the double angle formula for sinx!
Daddy
Daddy
1 year ago
Just a question why did sinx turn into sinx/2
Tan Shan Jing
Tan Shan Jing
1 year ago
i used the double sine formula such that the angle was consistent throughout the equation