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The Maxima on-line user's manual

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Atan2

Function: atan2 (<y>, <x>) - yields the value of atan(<y>/<x>) in the interval -%pi to %pi.

bZ12:1000;
aZ12:9.81*%PI/180;
g:bZ12=sqrt((rZ12^2)+(iZ12^2));
g1:aZ12=atan2(iZ12,rZ12);
solve([g,g1],[rZ12,iZ12]),numer;

(%o1)                                true
(%i2) 

Related Examples

atan2-float

f : atan2(0.904844298...

float(f);

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atan2-cos-sin-taylor

taylor(-2 . atan2(1, ...

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atan2

atan2(0,0.5);

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atan2-plot3d
plot3d([[((x^2+y^2)*%e^(%i*2*(atan2(x,y))))/(0.9999476*10^9),[x,-10000,10000],[y,-10000,10000]]]);

plot3d([[((x^2+y^2)*%...

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atan2

f : atan2(3,2);

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atan2-eval-plot3d
plot3d([[(((x^2+y^2)^2)*%e^(%i*4*(atan2(x,y))))/(0.9999476*10^9),[x,-10000,10000],[y,-10000,10000]]]);

ech1:(((x^2+y^2)^2)*%...

x=0,y=0;

eval(ech1);

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atan2

(atan2(2,3));

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atan2

f : atan2(2,3);

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atan2

atan2(-10, 10);

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atan2

atan2 (3,2);

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