Use the following three identities to evaluate S sin sx cos tx = sin sx sin tx = cos sx cos tx = ·S= sin 26x cos 17x dx. 1 [sin (s+t)x+ sin (s-t)x] 12/20 [cos (s+t)x cos (s-t)x] sin 26x cos 17x dx = 1 21 [cos (s+t)x+ cos (s - t)x]

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 54E
icon
Related questions
Question
Use the following three identities to evaluate
S
sin sx cos tx =
sin sx sin tx =
cos sx cos tx =
·S=
sin 26x cos 17x dx.
1
[sin (s+t)x+ sin (s-t)x]
12/20
[cos (s+t)x cos (s-t)x]
sin 26x cos 17x dx =
1
21
[cos (s+t)x+ cos (s - t)x]
Transcribed Image Text:Use the following three identities to evaluate S sin sx cos tx = sin sx sin tx = cos sx cos tx = ·S= sin 26x cos 17x dx. 1 [sin (s+t)x+ sin (s-t)x] 12/20 [cos (s+t)x cos (s-t)x] sin 26x cos 17x dx = 1 21 [cos (s+t)x+ cos (s - t)x]
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
Algebra
ISBN:
9781285463247
Author:
David Poole
Publisher:
Cengage Learning