What is the value of cos(pi/4)?

Name: What is the value of cos(pi/4)?
Uploaded: 2020-04-06T16:58:01+00:00
Channel: Janine
Description: What is the value of cos(pi/4)?

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anny93Lv10

15 Jan 2023

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Jamar FerryLv2

23 May 2019

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Janine

Bachelor’s Degree in Biomedical Science from York University

6 Apr 2020

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which of the following is the graph of f(x) = 5 cos (2x)?

A.) graph with points 0, 5 and pi over 4, 0 and pi over 2, negative 5 and 3 pi over 4, 0 and pi, 5
B.) graph with points at 0, 0 and pi over 4, negative 3 and pi over 2, 0 and 3 pi over 4, 3 and pi, 0
C.) graph with points 0, negative 5 and pi over 4, 0 and pi over 2, 5 and 3 pi over 4, 0 and pi, negative 5
D.) graph with points at 0, 5 and pi over 4, 2 and pi over 2, negative 1 and 3 pi over 4, 2 and pi, 5