### The Maxima on-line user's manual

Algebra Calculator

#### Cos

Function: cos (<x>) - Cosine.

There are also some inexact matches for `cos`. Try `?? cos` to see them.

```(%o1)                                true
(%i2) ```

### Related Examples

##### cos-solve-tan

eq1: Zf = b*(-tan(2*a...

eq2: B=2*b+2*(b+d)*co...

eq3: t=4*a-%pi;

Calculate

##### cos-plot2d-sin-sqrt

plot2d([380 + -1 *(15...

Calculate

x: matrix ([1, 0, -1...

y: gramschmidt (x);

Calculate

##### cos-exp-integrate-log

integrate(exp(2*x)*co...

integrate(log(x)/x, x);

Calculate

##### cos-diff-ratsimp-sin

/* Dimensionless vari...

V_theta: (-1+(3/(4*Ri...

p: ((-3/(2*Ri^2)))*co...

Calculate

##### cos-define-sin

define(f(th),2*sin(4*...

Calculate

##### cos-expand-sin

eq1:A=cos(P/2) - i*co...

eq2:C=cos(g/2)-i*cos(...

expand(A*C);

Calculate

##### cos-define-diff-expand-float-log-plot2d

define (f(x), log(4+c...

define(fp(x), diff(f(...

a:3;

Calculate

cos(5*%pi/6);

2*%;

Calculate

##### cos-diff-numer-plot2d-sin-subst

diff(sin(sin(x)),x);

subst(%pi/2,x,sin(sin...

subst(%pi/2,x,cos(x)*...

Calculate