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The Maxima on-line user's manual

Algebra Calculator

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Acos

Function: acos (<x>) - Arc Cosine.

f(x):=taylor( x/tan(x) ,x , 0, 20);
g(x):=integrate(f(t),t,0,x);
h(x):=(%pi/2)*(1+x)-(0.1)*( (%pi/2)*(1+x)*log(cos(%pi*x/2))-g(%pi*(1+x)/2)+(1+x)*g(%pi/2));
e(x):= (1/2)*( h(x)-h(-x)+2*h(0) );
 plot2d ([acos(-x),acos(-x)-(0.2)*(2*x*(log(2))+(1-x)*(log(1-x))-(1+x)*(log(1+x)))/(2*sqrt(1-x^2)),acos(-x)-(0.4)*(2*x*(log(2))+(1-x)*(log(1-x))-(1+x)*(log(1+x)))/(2*sqrt(1-x^2)),acos(-x)-(0.6)*(2*x*(log(2))+(1-x)*(log(1-x))-(1+x)*(log(1+x)))/(2*sqrt(1-x^2)) , (%pi/2)*(1+x)], [x, -0.999, 0.999], [y,0,%pi]);

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

(%o1)                                true
(%i2) 

Related Examples

acos-solve-sqrt

L1:50;

L2:40;

x[A[0]]:0;

Calculate

acos-sqrt

u:[1,5,0];

v:[-3,0,2];

w:[0,1,-1];

Calculate

acos-float-pi-sqrt

u:[3.2,-0.6,-1.4];

v:[1.5,4.1,-1.2];

u.v;

Calculate

acos-sqrt

peu(x1,y1,z1,x2,y2,z2...

modulo(x,y,z):=sqrt(p...

P1:peu(-3,0,2,0,1,-1);

Calculate

acos-block-float

cos737(a) := block([]...

float(acos(0.99999997));

float(2.45e-4*2*0.636...

Calculate

acos-sqrt

COX=acos(XC/OC),OC=sq...

AOC=acos((Rpo^2+OC^2-...

OAC=acos((Rpo^2+Rb^2-...

Calculate

acos-numer-pi-sin-sqrt-true

numer:true;

r(g):=g/180*%pi;

a:r(35);

Calculate

acos-sqrt

Puv:[2,1,0].[3,1,2];

Pvw:[3,1,2].[4,0,3];

Puw:[2,1,0].[4,0,3];

Calculate

acos-sqrt

peb(x1,y1,z1,x2,y2,z2...

Puv:P1(x)=peb(2,1,0,3...

Puw:P2(x)=peb(2,1,0,4...

Calculate

acos-float-load-sqrt

load(vect);

B:[0.5,0,0.75];

G:[0,0.925,0.35];

Calculate