Page 40 - Trigonometry
P. 40
6
Third calculation, set up = ( ), use the following
0
keystrokes,
Cq(MATRIX)22
Enter the data, 6=0=
Perform the matrix multiplication,
Cq(MATRIX)3q(MATRIX)4=
Which means,
6 5.322
( ) → ( )
0 2.770
o
The rotated triangle through 27.5 anti-clockwise is
shown on the next page in red. You can see the point
A → A’, B → B’ and C → C’.
36

