Abel's answer to Royal Lim's Secondary 4 E Maths Singapore question.

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Abel
Abel's answer
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Royal Lim
Royal Lim
6 years ago
U did wrongly.You not supposed to use radian
Abel
Abel
6 years ago
Method works, changing to dregree won't change final answer
Qn didn't restrict usage of rad, so I don't see an issue
Royal Lim
Royal Lim
6 years ago
Ok sure