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mamaluj [8]
3 years ago
5

Find the transformation matrix that rotates a rectangular coordinate system through an angle of 120° (counterclockwise) about an

axis making equal angles with the original three coordinate axes.
Mathematics
1 answer:
astra-53 [7]3 years ago
4 0
Since the coordinate system is rectangular, we have the matrix
[ x ]
[ y ]

The transformation matrix is
[ cos 120   sin 120 ] [ x ] = [ x' ]
[ -sin 120  cos 120 ] [ y ] = [ y' ]<span />
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