3 with 5 Given that cos 2x =
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°.
Related questions
Question
![**Problem:**
Given that \(\cos 2x = \frac{3}{5}\), with \(\frac{\pi}{2} < x < \pi\), determine the exact value of \(\cos x\).
**Solution:**
\[
\cos x = \boxed{\phantom{0}}
\]
(Simplify your answer. Type an exact answer, using radicals as needed. Rationalize the denominator.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Feda419da-8ce1-42f1-a8c9-2cd227a5c1f7%2F751a560c-9d2f-4732-85f7-cc63ed8c5771%2Fda8e0qk_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Problem:**
Given that \(\cos 2x = \frac{3}{5}\), with \(\frac{\pi}{2} < x < \pi\), determine the exact value of \(\cos x\).
**Solution:**
\[
\cos x = \boxed{\phantom{0}}
\]
(Simplify your answer. Type an exact answer, using radicals as needed. Rationalize the denominator.)
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