24 Math Functions
d ! 3
3 % ` 4 ) <
d ! 4
3 % ` 4 ) <
Converting (r,q) = (5,30) gives (x,y) = (
,
) 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