Robert Hooke invented the octant in 1684
Isaac Newton invented the reflecting octant in 1699.
Octant rule is the one which is used to correlate the sign of the cotton effect.
There are 45 degrees in an octant because an octant is 1 eighth of a circle, and a circle is 360 degrees, and 45 degrees is one eighth of 360.
An octant is 1 eighth of a circle because it is 45 degrees
Quadrant
Octant
One eighth of a circle.
One eighth of a circle.
Octant
There is 45 degrees in an octant. This is equivalent to one eighth of a circle. Since a circle has 360 degrees you would divide this number by 8.
October Octagon Octave Octant