initial commit / add all books

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diff --git a/24/CH17/EX17.6/Example17_6.sce b/24/CH17/EX17.6/Example17_6.sce
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+//Given that

+Ym1 = 4.0*10^-3  //in meter

+Ym2 = 3.0*10^-3  //in meter

+phi1 = 0  //in rad

+phi2 = %pi/3  //in rad

+

+//Sample Problem 17-6

+printf("**Sample Problem 17-6**\n")

+//For horizontal component

+Ymh = Ym1*cos(phi1) + Ym2*cos(phi2)

+//For vertical component

+Ymv = Ym1*sin(phi1) + Ym2*sin(phi2)

+Ym = sqrt(Ymv^2 + Ymh^2)

+beta = atan(Ymv/Ymh)

+printf("The amplitude of the resultant wave is equal to %fmm\n", Ym*10^3)

+printf("The phase constant for the wave is %frad\n", beta)

+printf("The equation of wave is %f*sin(k*x - w*t + %frad)",Ym, beta)
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diff --git a/24/CH17/EX17.6/Example17_6_result.txt b/24/CH17/EX17.6/Example17_6_result.txt
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+**Sample Problem 17-6**

+The amplitude of the resultant wave is equal to 6.082763mm

+The phase constant for the wave is 0.441306rad

+The equation of wave is 0.006083*sin(k*x - w*t + 0.441306rad) 
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