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secondary 4 | A Maths
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Melody
Melody

secondary 4 chevron_right A Maths chevron_right Singapore

Appreciate your help with this! :)

Date Posted: 4 years ago
Views: 245

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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
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Good evening Melody! Here are my workings for part i. I will attempt part ii and update here if I can find a solution.
Melody
Melody
4 years ago
Thanks so much Eric! :)
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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
Good evening Melody! Here are my workings for both parts, with a little change to part i.

It's a little messy at the end as I initially included proving of angles which turned out to be irrelevant to the proving of the equation in part ii.

Let me know if you need more explanation.