9. Find the length of an arc of a circle with radius 12 cm if the arc subtends a central angle of 60°.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.2: The Law Of Cosines
Problem 3E
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I need help with question 9
8.
Convert:
a. 150° to radians
b. radians to degrees
9. Find the length of an arc of a circle with radius 12 cm if the arc subtends a central angle of 60°.
10. For each of the given angles, answer the following:
a.
Find one positive and one negative coterminal angles of 300° in degrees.
in radians.
b. Find one positive and one negative coterminal angles of
11. Find the exact values.
b. sin 30°
Transcribed Image Text:8. Convert: a. 150° to radians b. radians to degrees 9. Find the length of an arc of a circle with radius 12 cm if the arc subtends a central angle of 60°. 10. For each of the given angles, answer the following: a. Find one positive and one negative coterminal angles of 300° in degrees. in radians. b. Find one positive and one negative coterminal angles of 11. Find the exact values. b. sin 30°
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