inverse of tan at 90 degree
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Hi.
Iam using "atand((y2-y1)/(x2-x1))" function to calculate angle. But i incure problem when my denomitor is zero. Sometimes it gives +90 and sometimes -90 degree, even though sign of cordinates of every point is same.
Please suggest way to resolve this issue.
1 Commento
James Tursa
il 25 Mag 2021
Please give specific example, with numbers, to show where you are getting +90 and -90 even though you think the signs of the inputs are the same.
Risposte (1)
Star Strider
il 25 Mag 2021
y2 = 20;
y1 = 10;
x2 = 42;
x1 = 42;
Theta1 = atan2d((y2-y1), (x2-x1))
y2 = 10;
y1 = 20;
x2 = 42;
x1 = 42;
Theta2 = atan2d((y2-y1), (x2-x1))
.
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