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secondary 4 | A Maths
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Jothi
Jothi

secondary 4 chevron_right A Maths chevron_right Singapore

Please help to prove this following I
identity.

Date Posted: 2 years ago
Views: 287

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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
1st
One cubic identity and two trigonometric identities are used here. Can you spot them?
Jothi
Jothi
2 years ago
Thank you