The temperature, T degrees Celsius, in a greenhouse at t hours after midnight for a typical November day is modelled by the formula T=25-4cos(((pi(t-3)-12) for 0<=t<=24 Use this model to answer the following questions. a)State the maximum and the minimum temperatures in the greenhouse. b)At what time does the maximum temperature Occur! c)At what times will the temperature equal 23°C?

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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Question

The temperature, T degrees Celsius, in a greenhouse at t hours after midnight for a typical November day is modelled by the formula T=25-4cos(((pi(t-3)-12) for 0<=t<=24 Use this model to answer the following questions. a)State the maximum and the minimum temperatures in the greenhouse. b)At what time does the maximum temperature Occur! c)At what times will the temperature equal 23°C? d)Consider the hottest four-hour interval in the greenhouse for a typical November day. What is the minimum temperature in this four-hour interval. Give your answer correct to two decimal places

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