The pedals of a bicycle are mounted on a bracket whose centre is 29.0 cm above the ground. Each pedal is 17 cm from the centre of the bracket. Assuming that the bicycle is pedalled at 10 cycles per minute and that the pedal starts at time t=0s at the topmost position, write an equation which describes this sinusoidal movement. Oh=29 cost+17 Oh-17 cost+29 10 Oh-29 cos t+17 h = 17 cos 2m 6 -t+29

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