9. Find a (a >0), b (b> 0) and c given that the function y = a cos bx + c has amplitude 4, period 4 and centre line equation y = 3 2n a b 10. Find the cosine function shown in the graph below

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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9. Find a (a >0), b (b> 0) and c given that the function y = a cos bx + c has
amplitude 4, period 4 and centre line equation y = 3
a
b
10. Find the cosine function shown in the graph below
Transcribed Image Text:9. Find a (a >0), b (b> 0) and c given that the function y = a cos bx + c has amplitude 4, period 4 and centre line equation y = 3 a b 10. Find the cosine function shown in the graph below
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