24
Math Functions
d !
3
3
% `
4
) <
d !
4
3
% `
4
) <
Converting (r,
q
) = (5,30) gives (
x
,
y
) = (
5
3
2
,
5
2
) and (
x
,
y
) = (3,4) gives
(r,
q
) = (5.0,53.1).
Trigonometry
X
Y
Z
(multi-tap keys)
Pressing one of these multi-tap keys repeatedly lets you access the corresponding
trigonometric or inverse trigonometric function. Set the Angle mode - Degree or
Radian - before your calculation.
Example in Degree Mode
tan
-
q < -
Z
45
) <
tan
-1
-
Z Z
1
) <
cos
-
5
V Y
60
) <
Example in Radian Mode
tan
-
q " < -
Z g P
4
" ) <
tan
-1
-
Z Z
1
) <
r