Use a calculator to find ? to the nearest tenth of a degree, if 0° < ? < 360° and cos( ?)=-0.7620 with ? in Qlll ?=
Use a calculator to find ? to the nearest tenth of a degree, if 0° < ? < 360° and cos( ?)=-0.7620 with ? in Qlll ?=
Elementary Geometry for College Students
6th Edition
ISBN:9781285195698
Author:Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:Daniel C. Alexander, Geralyn M. Koeberlein
Chapter11: Introduction To Trigonometry
Section11.CT: Test
Problem 5CT: Using your calculator, find to the nearest degree if sin=0.6691._______
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Question
Use a calculator to find ? to the nearest tenth of a degree, if 0° < ? < 360° and
cos( ?)=-0.7620 with ? in Qlll
?=
Expert Solution
Step 1
Given:
cos( x )=-0.7620
0° < x < 360°
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