f cos(mx) cos(nx) dx is equal to {A} [sin(m + n) + sin(m − n)] dx {B} [sin(m + n) - sin(m - n)] dx A B O c {C} {D} [cos (m + n) + cos(m-n)] dx [cos(m+n) - cos(m-n)] dx
f cos(mx) cos(nx) dx is equal to {A} [sin(m + n) + sin(m − n)] dx {B} [sin(m + n) - sin(m - n)] dx A B O c {C} {D} [cos (m + n) + cos(m-n)] dx [cos(m+n) - cos(m-n)] dx
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section: Chapter Questions
Problem 35RE
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Give the solution and answer
![f cos(mx) cos(nx) dx is equal to
{A} [sin(m + n) + sin(m - n)] dx
[sin(m + n) - sin(m-n)] dx
{B}
A
B
OD
{C}
{D}
[cos(m + n) + cos(m-n)] dx
[cos(m + n) - cos(m-n)] dx](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc2c5fdbd-5091-434d-be02-cccfb9e473dc%2Fcc7f9918-baad-421c-92f5-4eab3433e1c0%2Fjvpm69m_processed.jpeg&w=3840&q=75)
Transcribed Image Text:f cos(mx) cos(nx) dx is equal to
{A} [sin(m + n) + sin(m - n)] dx
[sin(m + n) - sin(m-n)] dx
{B}
A
B
OD
{C}
{D}
[cos(m + n) + cos(m-n)] dx
[cos(m + n) - cos(m-n)] dx
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