Fong Hok Shing Anson's answer to Germaine's Secondary 4 A Maths Singapore question.

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Fong Hok Shing Anson
Fong Hok Shing Anson's answer
13 answers (Tutor Details)
And here’s 5ii. It’s important to learn how to use the trigo identities to manipulate equations in order to solve them.