Find the period and the amplitude. y = –cos (2x/5) Step 1: Rewrite the trigonometric expression in the form y = a cos (bx). y=-cos(2x/5)= _____ cos (____x) Step 2: Find the period of y by dividing 2pi by b _________ FRind the amplitude of y
Find the period and the amplitude. y = –cos (2x/5) Step 1: Rewrite the trigonometric expression in the form y = a cos (bx). y=-cos(2x/5)= _____ cos (____x) Step 2: Find the period of y by dividing 2pi by b _________ FRind the amplitude of y
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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Find the period and the amplitude.
y = –cos (2x/5)
Step 1: Rewrite the trigonometric expression in the form y = a cos (bx).
y=-cos(2x/5)= _____ cos (____x)
Step 2: Find the period of y by dividing 2pi by b
_________
FRind the amplitude of y
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