CASCALC89 COMMAND · NOT ON THE TI-89
▶cos
Rewrites an expression in terms of cosine, for example sin(x)^2 as 1−cos(x)^2.
Syntax
Expr▶cos
- Group
- Conversions
- Arguments
- Placed after the expression and takes no arguments.
- Origin
- TI-Nspire CAS style command; the TI-89 Titanium handheld does not have it
Example
| Input | Result |
|---|---|
| sin(x)^2▶cos | 1−cos(x)2 |
Typing sin(x)^2▶cos on the home screen and pressing ENTER returns 1−cos(x)2.
Related commands
- ▶CylindDisplays a three element vector in cylindrical form, with radius, angle and height.
- ▶DDConverts an angle to decimal degrees.
- ▶DecimalDisplays a result as a decimal number instead of an exact value.
- ▶DMSDisplays an angle in degrees, minutes and seconds.
- ▶expRewrites an expression in terms of the natural exponential ℯ^x, for example hyperbolic functions.
- ▶GradConverts an angle to gradians.
- ▶lnRewrites logarithms in an expression in terms of the natural logarithm ln.
- ▶logbase(Rewrites logarithms in an expression in terms of logarithms to a given base.