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Variable stars are ones whose brightness varies periodically. One of the most visible variable stars is R Its brightness (a relative measure) is modeled by the formula below where t is measured in days. 8(t) = 7.9 -2.3cos(5 O 156 O 312 O 2π How often does the brightness cycle repeat itself (in days)? IT 156 O 365 6t). O 156

Variable stars are ones whose brightness varies periodically. One of the most visible variable stars is R Its brightness (a relative measure) is modeled by the formula below where t is measured in days. 8(t) = 7.9 -2.3cos(5 O 156 O 312 O 2π How often does the brightness cycle repeat itself (in days)? IT 156 O 365 6t). O 156

Trigonometry (11th Edition)
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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Variable stars are ones whose brightness varies periodically. One of the most visible variable stars is R. Leonis. Its brightness (a relative measure) is modeled by the formula below where t is measured in days. B(t) = 7.9 -2.3cos(- How often does the brightness cycle repeat itself (in days)? O 156 0 0 0 0 O 312 O 2π TU 156 TT 156 O 365 4
Transcribed Image Text:Variable stars are ones whose brightness varies periodically. One of the most visible variable stars is R. Leonis. Its brightness (a relative measure) is modeled by the formula below where t is measured in days. B(t) = 7.9 -2.3cos(- How often does the brightness cycle repeat itself (in days)? O 156 0 0 0 0 O 312 O 2π TU 156 TT 156 O 365 4
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