SOLUTION: Variable stars are ones whose brightness varies periodically. The brightness of a certain star is modeled by the function b(t) = 8.2 − 2.1 cos(π/158t) where t is measured in d

SOLUTION: Variable stars are ones whose brightness varies periodically. The brightness of a certain star is modeled by the function b(t) = 8.2 − 2.1 cos(π/158t) where t is measured in d

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Question 1151726: Variable stars are ones whose brightness varies periodically. The brightness of a certain star is modeled by the function
b(t) = 8.2 − 2.1 cos(π/158t)
where t is measured in days.
Answer by ikleyn(52814) (Show Source): You can put this solution on YOUR website!
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