Kervyn's answer to Rosalie's Secondary 4 A Maths question.

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Kervyn
Kervyn's answer
18 answers (Tutor Details)
1st
Your third step of factorization is not correct. You should have factorized it into a sin^2 + cos^2 =1 form.
Rosalie
Rosalie
7 years ago
Ohh, thank you! :)