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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-float-load-sqrt

load(vect);

R:[0,51,28]-[48,0,60];

S:[48,0,60]-[21,40,0];

Calculate

acos-atan-diff-sin-sqrt-subst

eq1: [sqrt(x^2+y^2+z^...

Eq: diff(eq1,x);

Eq[3];

Calculate

acos-draw-draw3d-float-load-pi-sqrt
draw3d(key="u",color="blue",vector(p,u),vector(r,u),key="v",color="red",vector(p,v),vector(q,v),key="n",color="black",vector(p,n),vector(q,n),vector (r,n),vector(p+u+v,n));

p:[0,3,0];

q:[2,3,2];

r:[-2,2,3];

Calculate

acos-sqrt

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

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

P1:peu(-1,4,2,2,-1,3);

Calculate

acos-taylor

taylor(acos(x), x, -1...

Calculate

acos-numer-sqrt

temp:7/sqrt(51),numer;

acos(temp);

Calculate

acos-float-load-pi

load(vect);

load(eigen);

p_prev:[-12.34,72.56];

Calculate

acos-beta-plot2d
plot2d([beta(theta),%pi/2],[theta,0,2*%pi]);

beta(theta) := acos((...

plot2d([beta(theta),%...

Calculate

acos-beta-plot2d-sin-tan
plot2d(f(x),[x,d/10,d]);

/* Indiana Jones *//*...

/* köyden pituus */ l...

/* vakio */ A : d/l;

Calculate

acos-atan-diff-sqrt

eq1: [sqrt(x^2+y^2+z^...

Eq: diff(eq1,x);

Eq;

Calculate