Calculator User Manual

Chapter 20: A to Z Function and Instruction Reference
365
20ATOZ.DOC TI-86, Chap 20, US English Bob Fedorisko Revised: 02/13/01 2:42 PM Printed: 02/13/01 3:05 PM Page 365 of 11820ATOZ.DOC TI-86, Chap 20, US English Bob Fedorisko Revised: 02/13/01 2:42 PM Printed: 02/13/01 3:05 PM Page 365 of 118
tan
L
1
- }
tan
L
1
number
or
tan
L
1
(
expression
)
Returns the arctangent of
number
or
expression
, which
can be real or complex.
In
Radian
angle mode:
tan
L
1
.5
b
.463647609001
In
Degree
angle mode:
tan
L
1
1
b
45
tan
L
1
list
Returns a list in which each element is the arctangent of
the corresponding element in
list
.
In
Radian
angle mode:
tan
L
1
{0,.2,.5}
b
{0 .19739555985 .463…
tanh
MATH HYP menu
tanh
number
or
tanh (
expression
)
Returns the hyperbolic tangent of
number
or
expression
, which can be real or complex.
tanh 1.2
b
.833654607012
tanh
list
Returns a list in which each element is the hyperbolic
tangent of the corresponding element in
list
.
tanh {0,1.2}
b
{0 .833654607012}
tanh
L
1
MATH HYP menu
tanh
L
1
number
or
tanh
L
1
(
expression
)
Returns the inverse hyperbolic tangent of
number
or
expression
, which can be real or complex.
tanh
L
1
0
b
0
tanh
L
1
list
Returns a list in which each element is the inverse
hyperbolic tangent of the corresponding element in
list
.
In
RectC
complex number mode:
tanh
L
1
{0,2.1}
b
{(0,0) (.51804596584…