Eric Nicholas K's answer to genevieve's Secondary 4 A Maths Singapore question.
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Good evening Cheryl! Here are my workings for tan 3A.
Alternatively, we can express tan 3A as sin 3A divided by cos 3A, but this is a much harder approach.
Alternatively, we can express tan 3A as sin 3A divided by cos 3A, but this is a much harder approach.
Date Posted:
4 years ago
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