@inteleague's answer to Keith6156's Secondary 4 A Maths Singapore question.
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differentiate using product rule
sin(2x) is 2cos(2x)
cos^3(2x) is 3cos^2(2x) [-2sin(2x)]
sin(2x) is 2cos(2x)
cos^3(2x) is 3cos^2(2x) [-2sin(2x)]
Date Posted:
4 years ago
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