NG BAN WAH's answer to Us8s's Secondary 4 A Maths Singapore question.

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NG BAN WAH
Premium Tutor
Ng Ban Wah's answer
373 answers (Tutor Details)
1st
Apply Trigonometry Substitution.
Us8s
Us8s
1 year ago
I think there might be a mistake. When i substitute with numbers it doesnt tally with the original eqn