y Find the exact value of arccos cos 2n Write your answer in radians in terms of . 2π DO Undefined X Л 0/0
y Find the exact value of arccos cos 2n Write your answer in radians in terms of . 2π DO Undefined X Л 0/0
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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![**Problem Statement:**
Find the exact value of \( \arccos \left( \cos \frac{2\pi}{3} \right) \).
Write your answer in radians in terms of \( \pi \).
**Solution:**
The answer is \( \frac{2\pi}{3} \).
**Explanation:**
This problem involves determining the angle whose cosine is \( \cos \frac{2\pi}{3} \). Since the cosine function is periodic and arccos is its inverse over the range \( [0, \pi] \), the result is direct as \( \frac{2\pi}{3} \).
*Note: There are no graphs or diagrams in this image.*](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb0be78df-234d-4653-8235-8227b9098990%2Fcc481407-6d72-4ac7-a936-09a4bc7fca16%2Fb1xrquj_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Problem Statement:**
Find the exact value of \( \arccos \left( \cos \frac{2\pi}{3} \right) \).
Write your answer in radians in terms of \( \pi \).
**Solution:**
The answer is \( \frac{2\pi}{3} \).
**Explanation:**
This problem involves determining the angle whose cosine is \( \cos \frac{2\pi}{3} \). Since the cosine function is periodic and arccos is its inverse over the range \( [0, \pi] \), the result is direct as \( \frac{2\pi}{3} \).
*Note: There are no graphs or diagrams in this image.*
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