Thomas Chang's answer to Anika's Junior College 2 H2 Maths Singapore question.
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A) I derived the formula. Another way is to go from the formula straight away.
B) use pythagoras theorem on the triangle. There is also another way, which is to do the formula right away.
B) use pythagoras theorem on the triangle. There is also another way, which is to do the formula right away.
Date Posted:
4 years ago
Thank you so much !!! :))
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