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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-sqrt

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

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

P1(x):=[2,1,-1].[2,-1...

Calculate

acos-load-sqrt

load(vect);

R:[-4.2,0,0]-[0,5.6,0];

S:[0,5.6,0]-[0,0,-3.3];

Calculate

acos-asin-plot3d-sin
plot3d((c-a)/(1-2*a),[a,0,1],[c,0,1]);

hav(x):=sin(x/2)^2;

ahav(x):=2*asin(x^0.5);

side2acos(a,c):=acos(...

Calculate

acos-cos

acos(9/175);

Calculate

acos-draw-float-load-sqrt

load(draw);

n1:[1,-2,1];

n2:[2,3,-2];

Calculate

acos

t:acos(15/17);

Calculate

acos-sqrt

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

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

P1:[2,1,0].[3,-1,2];

Calculate

acos-diff-log

diff(2*log(x)*acos(x)...

Calculate

acos-cos-numer-sin-sqrt

acos((cos(315) * cos(...

%, numer;

Calculate

acos-numer-pi-sqrt

u:[2,1,0];

v:[3,-1,2];

w:[4,0,3];

Calculate