Dennis J. Darland
Practice in Programming
ASUS Development Computer - Kubuntu 18.04
Starting  Wed May 8 17:46:36 CDT 2019
Finished  Wed May 8 17:46:36 CDT 2019
c++ output chapter 2
Problem 5
a = 4 i + -3 j + 0 k
b = 6 i + 8 j + 0 k
c = 10 i + 5 j + 0 k
d = 2 i + 11 j + 0 k
e = -2 i + -11 j + 0 k
The magnitude of a is 5
The magnitude of b is 10
The magnitude of c is 11.1803
The magnitude of d is 11.1803
The magnitude of e is 11.1803
The direction of a in radians is -0.643501
The direction of b in radians is 0.927295
The direction of c in radians is 0.463648
The direction of d in radians is 1.39094
The direction of e in radians is -1.75065
The direction of a in degrees is -36.8699
The direction of b in degrees is 53.1301
The direction of c in degrees is 26.5651
The direction of d in degrees is 79.6952
The direction of e in degrees is -100.305
The dot of a and a is 25
The dot of a and b is 0
The dot of b and a is 0
The dot of a and c is 25
The dot of d and a is -25
The dot of a and e is 25
The dot of e and a is 25
The cross of a and a is:
axa = 0 i + -0 j + 0 k
The cross of a and b is:
axb = -0 i + -0 j + 50 k
The cross of b and a is:
bxa = 0 i + -0 j + -50 k
The cross of a and c is:
axc = -0 i + -0 j + 50 k
The cross of d and a is:
dxa = 0 i + -0 j + -50 k
The cross of a and e is:
axe = 0 i + -0 j + -50 k
The cross of e and a is:
exa = 0 i + 0 j + 50 k
The cross of f and g is:
fxg = -291 i + 100 j + 126 k
The cross of f and h is:
fxh = -105 i + -119 j + -21 k
The cross of g and h is:
gxh = 1866 i + -464 j + 189 k
The cross of g and f is:
gxf = 291 i + -100 j + -126 k
The cross of h and f is:
hxf = 105 i + 119 j + 21 k
The cross of h and g is:
hxg = -1866 i + 464 j + -189 k