The inn er produ ct of two functions f and g on [a,b] is given by (f, 9) = | 5 (#) g (x) dr. Two distinct functions f and g are said to be ort hogonal if (f,g) = 0. Show that the foll owing set of functions is orthogonal on [–n, 7] . {sin x, sin 2x, sin 3x,...cos x, cos 2x, cos 3x, ...}
The inn er produ ct of two functions f and g on [a,b] is given by (f, 9) = | 5 (#) g (x) dr. Two distinct functions f and g are said to be ort hogonal if (f,g) = 0. Show that the foll owing set of functions is orthogonal on [–n, 7] . {sin x, sin 2x, sin 3x,...cos x, cos 2x, cos 3x, ...}
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.3: The Addition And Subtraction Formulas
Problem 80E
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