Calculate the exact value of arccos (-1). Note that a special angle is involved, so a calculator is not necessary. (Give an exact answer. Use symbolic notation and fractions where needed. Give the angle in radians. Simplify your answer completely.) arccos 2π (-²) = √²/² 3 Determine the other angle in the interval [0, 27) when cos(0) = -1/2. 0 = How many solutions does the equation cos(0) = - = -1/have in the interval [0, 2π)? Number of Solutions: radians radians
Calculate the exact value of arccos (-1). Note that a special angle is involved, so a calculator is not necessary. (Give an exact answer. Use symbolic notation and fractions where needed. Give the angle in radians. Simplify your answer completely.) arccos 2π (-²) = √²/² 3 Determine the other angle in the interval [0, 27) when cos(0) = -1/2. 0 = How many solutions does the equation cos(0) = - = -1/have in the interval [0, 2π)? Number of Solutions: radians radians
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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Transcribed Image Text:Calculate the exact value of arccos
(-1). Note that a special angle is involved, so a calculator is not necessary.
(Give an exact answer. Use symbolic notation and fractions where needed. Give the angle in radians. Simplify your
answer completely.)
arccos
Determine the other angle in the interval [0, 2л) when cos(0) =
=-11.
0 =
2πt
How many solutions does the equation cos(0) = -1have in the interval [0, 2+)?
Number of Solutions:
radians
radians
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