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secondary 4 | A Maths
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Hi! Please help me with (b)(i),(ii),(iii)..
I keep doing them in the “differentiation” method but it’s all wrong .. Idk how to use integration in these.. Thx so mich
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sin2(x/3) =
2sin(x/3)(-cos(x/3)) =
-2sin(x/3)
I brought the power 2 to the front then i integrate sin -> -cos