en.wikipedia.org/wiki/Radian

The radian is the standard unit of angular measure, used in many areas of
mathematics. ... The concept of radian measure, as opposed to the degree of an
angle, .... This is because radians have a ma...

www.answers.com/Q/A_null_angle_contains_how_many_degrees

How many degrees does a right angle have? ... Null angles is a term used in
mathematics to describe the concept between 2 different tangent directions at a ...

www.mathsisfun.com/angles.html

Degrees (Angle) · Twitter StumbleUpon Facebook ... Obtuse Angle, an angle that
is greater than 90° but less than 180° ... Also: the letter "A" has an acute angle.

www.reference.com/math/many-degrees-right-angle-c504884e507c6012

A right angle has 90 degrees. Angles are measured on a scale from 0 to 360
degrees. Right angles represent one-fourth of a full 360-degree...

mathcentral.uregina.ca/QQ/database/QQ.09.06/becky1.html

Why does a triangle always equal 180 degrees? We know ... Since the triangles
are congruent each triangle has half as many degrees, namely 180. So this is ...

www.sciencedirect.com/science/article/pii/0022247X78902147

O In the reconstruction problem one tries to find / from finitely many ... ANGLES
BETWEEN NULL SPACES OF X RAYS 3 In order to investigate the rate of ...
Such functions have the form G(x, y) == g(x cos 6, + y sin 6,) 9 where SK is the
...... Although the optimal polynomial of degree N 1 does not by itself provide a
good ...

www.harmonycentral.com/articles/what-you-need-to-know-about-microphone-polar-patterns

Nov 25, 2014 ... Many microphones have a single, "fixed" pattern, while some microphones ...
Note the decreased sensitivity to sounds arriving at 180 degrees - the "rear" of
the mic ... null points of any polar pattern - you can get nearly perfect rejection of
sounds ... to sound arriving from the rear than the super...

rosettacode.org/wiki/Averages/Mean_angle

Aug 21, 2016 ... When calculating the average or mean of an angle one has to take into account
... function if you have one that does this for degrees or radians). ...... many small
functions like Forth and using function composition. .... To avoid anomalies, the
following is designed to assign the null value as the mean angle in ....

www.math.tamu.edu/~scarboro/150TextChapter8.pdf

An angle is called a null rotation if the ray never rotates so that the final side ....
around the pole until his collar is tight to the pole, how many degrees has the dog
.... Using similar triangles it is clear that the definition of these trig functions does ...

www.seattlerobotics.org/encoder/200311/brown/building_a_directional_gyro.html

How accurate does the null have to be measured? ... Since the contest at Trinity
is run in a maze with many walls all at 90-degree angles, it is possible to update ...