Use the given information about the angles α and β to find the exact value of: cos a = 1/2 , 3π/2

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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Use the given information about the angles α and β to find the exact value of: cos a = 1/2 , 3π/2 <a<2π                   sec B =3 , 0<B,π/2

     a)  cos (a - B)

     b)  sin 2B

     c)  cos(a/2)

 

 

hamtech.edu/portal/site/2021sp-mat-172-102/tool/529b
of Contents
t 1 of 1-
Question 2 of 2
3 TT
<a<2m
2
TT
sec ß = 3, 0<B<
0<B <
COs a =
2
Use the given information about the angles a and B to fir
a) cos (a - B)
b) sin 26
C) CoS
Fully simplify all radicals and rationalize denominators as n
Make sure to show all your work to receive full credit.
Click Browse" to locate your file and then cick Upload to upload your fi e.
File:
Choose FileNo file chosen
up oad
Mark for Reviewber
Previcus
Submit for Grading
Next
Eave
Ext
nere to search
Transcribed Image Text:hamtech.edu/portal/site/2021sp-mat-172-102/tool/529b of Contents t 1 of 1- Question 2 of 2 3 TT <a<2m 2 TT sec ß = 3, 0<B< 0<B < COs a = 2 Use the given information about the angles a and B to fir a) cos (a - B) b) sin 26 C) CoS Fully simplify all radicals and rationalize denominators as n Make sure to show all your work to receive full credit. Click Browse" to locate your file and then cick Upload to upload your fi e. File: Choose FileNo file chosen up oad Mark for Reviewber Previcus Submit for Grading Next Eave Ext nere to search
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