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Question
secondary 4 | A Maths
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Pls help me with this question. Thanks
= (dy/dx) x (dx/dt)
= -4 cos (x) sin (x) x (dx/dt)
when x = π/3
dy/dt
= -4 cos (π/3) sin (π/3) x (0.4)
= -0.4 sqrt(3) rad/s
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