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secondary 3 | A Maths
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secondary 3 chevron_right A Maths

For the working for this qns theres one part where they state 1/2 sin2B
But how do u get 1/2 sin2B and Pls explain how to use the double angle /half angle formula if possible tysm

Date Posted: 6 years ago
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Chong Ten San
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Using both double angle formulas for both sin and cosine. Further clarification contact Chong@96643003