2 cos? 0 (csc? 0 + 3 sec2 0) = 2 csc? 0 +4
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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Verify the following identity.
![The equation shown is:
\[ 2\cos^2 \theta \left( \csc^2 \theta + 3\sec^2 \theta \right) = 2\csc^2 \theta + 4 \]
This mathematical expression involves several trigonometric functions:
- \(\cos^2 \theta\) is the square of the cosine of angle \(\theta\).
- \(\csc^2 \theta\) is the square of the cosecant of angle \(\theta\), which is the reciprocal of \(\sin^2 \theta\).
- \(\sec^2 \theta\) is the square of the secant of angle \(\theta\), which is the reciprocal of \(\cos^2 \theta\).
The equation involves multiplying \(2 \cos^2 \theta\) by the sum of \(\csc^2 \theta\) and \(3 \sec^2 \theta\), and equating it to \(2 \csc^2 \theta + 4\). The arrangement and use of reciprocal trigonometric functions make this a noteworthy example to use in transformations and solving trigonometric identities or equations.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6ed323b9-8e35-4824-8e78-fcaf55c6ad57%2Fd849c2c3-58b6-4c4c-a970-d0c1dcd8e3b0%2Ffc9caui_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The equation shown is:
\[ 2\cos^2 \theta \left( \csc^2 \theta + 3\sec^2 \theta \right) = 2\csc^2 \theta + 4 \]
This mathematical expression involves several trigonometric functions:
- \(\cos^2 \theta\) is the square of the cosine of angle \(\theta\).
- \(\csc^2 \theta\) is the square of the cosecant of angle \(\theta\), which is the reciprocal of \(\sin^2 \theta\).
- \(\sec^2 \theta\) is the square of the secant of angle \(\theta\), which is the reciprocal of \(\cos^2 \theta\).
The equation involves multiplying \(2 \cos^2 \theta\) by the sum of \(\csc^2 \theta\) and \(3 \sec^2 \theta\), and equating it to \(2 \csc^2 \theta + 4\). The arrangement and use of reciprocal trigonometric functions make this a noteworthy example to use in transformations and solving trigonometric identities or equations.
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