After many years in business,the financial analyst of a shoe company projected that the monthly costs of producing their products and monthly revenues from the sales of their products are fluctuating according to the following formulas:  C(t)=2.6+0.58 sin (0.52t-7.25) R(t)=2.6+1.82 cos(0.52t-7.25) Where C(t) and R(t) are those costs and revenues in million of pesos at month t(t=0 represent January 2010).About how many months after January 2010 did the company experience a zero profit for the first time?

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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After many years in business,the financial analyst of a shoe company projected that the monthly costs of producing their products and monthly revenues from the sales of their products are fluctuating according to the following formulas: 

C(t)=2.6+0.58 sin (0.52t-7.25)

R(t)=2.6+1.82 cos(0.52t-7.25)

Where C(t) and R(t) are those costs and revenues in million of pesos at month t(t=0 represent January 2010).About how many months after January 2010 did the company experience a zero profit for the first time?

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