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12) f)=sin(x) 0

12) f)=sin(x) 0

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.5: Product-to-sum And Sum-to-product Formulas
Problem 4E
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+ 2 + ...) 4 1 12) £)=sin(x) 0<x<1 Ans. -cos(27x) +- -cos(4x) T Tπ (1)(3) (3)(5) 4 1 13) f(x) = |x| -1<x<1 Ans.(cos(x)+cos3x)+ cos(57 x 2 25 4 14) f(x)=1-x² -1<x<1 Ans. -+ cos(x) (17.x) = cos(27x)+cos(37.x) 3 7² 4 1 (COS(TX) + — +COS (3,7 Xx) +.. cos(3x)+ (-1 -1<x<0 π² 15) f(x) = { Ans. 2x 0<x<1 +2 (2sin(r)-sin(2x)+... 4 Злх X -1<x<0 3-(00 (+)-x)+ √(24) COS cos( COS 4 16)(x) = x 0<x< 1 Ans. 1<x<3 57x 1 1 +- COS 25 + cos(3,7 x) +... 18 Fourer series - π 27 16
Transcribed Image Text:+ 2 + ...) 4 1 12) £)=sin(x) 0<x<1 Ans. -cos(27x) +- -cos(4x) T Tπ (1)(3) (3)(5) 4 1 13) f(x) = |x| -1<x<1 Ans.(cos(x)+cos3x)+ cos(57 x 2 25 4 14) f(x)=1-x² -1<x<1 Ans. -+ cos(x) (17.x) = cos(27x)+cos(37.x) 3 7² 4 1 (COS(TX) + — +COS (3,7 Xx) +.. cos(3x)+ (-1 -1<x<0 π² 15) f(x) = { Ans. 2x 0<x<1 +2 (2sin(r)-sin(2x)+... 4 Злх X -1<x<0 3-(00 (+)-x)+ √(24) COS cos( COS 4 16)(x) = x 0<x< 1 Ans. 1<x<3 57x 1 1 +- COS 25 + cos(3,7 x) +... 18 Fourer series - π 27 16
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