Arihangdu
  • Arihangdu
Please help me for part c how to do part c of this questions The equation h = 7 cos (pi/3 t) models the height h in centimeters after t seconds of a weight attached to the end of a spring that has been stretched and then released. a. Solve the equation for t. b. Find the times at which the weight is first at a height of 1 cm, of 3 cm, and of 5 cm above the rest position. Round your answers to the nearest hundredth. c. Find the times at which the weight is at a height of 1 cm, of 3 cm, and of 5 cm below the rest position for the second time. Round your answers to the nearest hundredth.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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campbell_st
  • campbell_st
|dw:1450214501137:dw| you have 2 values... 1. the weight going down. 2. the weight returning up. there is a 3rd quadrant angle where \[(\frac{\pi}{3}t) = \cos^{-1}(\frac{1}{7})\] so remember that 3rd quadrant \[\pi + \theta \]

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