f (s, t) = cos (set") + cos (s + e*) = COS

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 40E
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Solve for the second-order partial derivatives.... 

f (s, t) = cos
os(ce*) + cos(a + e*")
= Cos ( se
+ cos (s
Transcribed Image Text:f (s, t) = cos os(ce*) + cos(a + e*") = Cos ( se + cos (s
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