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pi-tan

tan((-3*%pi)/6);

Calculate

pi

numer,%pi;

Calculate

pi

p:%pi;

a0:1;

n:4;

Calculate

pi-sin

sin(2*%pi)/5;

Calculate

pi-solve-sqrt

eq1: ln(1/d1/sqrt(2*p...

eq1: ln(1/d2/sqrt(2*p...

eq3: eq1=eq2;

Calculate

pi-ratsubst-solve-sqrt

eq1: ln(1/d1/sqrt(2*p...

eq2: ln(1/d2/sqrt(2*p...

eq3: eq1=eq2;

Calculate

pi-round

x:%pi;

n:3;

round(x*10^n)/10^n ;

Calculate

pi-sin

(100*sin((15*(%pi))/6));

%pi;

Calculate

pi

Run Example
(%i1)fpprec:100;
(%o1)                                 100
(%i2) bfloat(sqrt(126));
(%o2) 1.1224972160321824156751246196949647905268059423336180838911236401960105\
46892081708393042968558313872b1
(%i3) a:3;
(%o3)                                  3
(%i4) (a+4)^2;
(%o4)                                 49
(%i5) b:a;
(%o5)                                  3
(%i6) a:a+4;
(%o6)                                  7
(%i7) b;
(%o7)                                  3
(%i8) kill(b);
(%o8)                                done
(%i9) b;
(%o9)                                  b
(%i10) float(%pi);
(%o10)                         3.141592653589793
(%i11) 
Run Example
a:20;
(%o1)                                 20
(%i2) b:16;
(%o2)                                 16
(%i3) d:sqrt(a**2+b**2);
(%o3)                             4 sqrt(41)
(%i4)  alpha:arcsin(a/d)*180/%pi;
                                           5
                             180 arcsin(--------)
                                        sqrt(41)
(%o4)                        --------------------
                                     %pi
(%i5) beta:90-alpha;
                                              5
                                180 arcsin(--------)
                                           sqrt(41)
(%o5)                      90 - --------------------
                                        %pi
(%i6) 
Run Example
factor(integrate(sin(x)^3/(1-b*cos(x))^5,x,0,%pi));
                                        4
(%o1)                        - -------------------
                                        3        3
                               3 (b - 1)  (b + 1)
(%i2) 

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