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Definition of Acute angle
1. Noun. An angle less than 90 degrees but more than 0 degrees.
Medical Definition of Acute angle
1. Any angle less than 90°. (05 Mar 2000)
Lexicographical Neighbors of Acute Angle
Literary usage of Acute angle
Below you will find example usage of this term as found in modern and/or classical literature:
1. Plane and Spherical Trigonometry by Arthur Graham Hall, Fred Goodrich Frink (1910)
"CHAPTER II THE acute angle 5. Purpose of trigonometry. ... Suppose the acute
angle A OB ( = «) to be placed on a system of axes of coordinates with its ..."
2. Plane Trigonometry and Tables by George Albert Wentworth (1902)
"If an acute angle is added to or subtracted from 180° or 360°, the functions of
the resulting angle are equal in absolute value to the like-named functions ..."
3. Five-place Logarithmic and Trigonometric Tables by George Albert Wentworth, George Anthony Hill (1903)
"If an acute angle is added to or subtracted from 180° or 360°, the functions of
the resulting angle are equal in absolute value to the like-named functions ..."
4. Plane Trigonometry with Practical Applications by Leonard Eugene Dickson (1922)
"Construct and measure an acute angle whose cosecant is equal to 9/8. ...
Relations between the six trigonometric functions of an acute angle. ..."
5. Plane and Spherical Trigonometry: And Four-place Tables of Logarithms by William Anthony Granville (1909)
"Let E AD be an angle less than 90°, that is, an acute angle. ... The six
trigonometric functions of any acute angle, as A, are denoted as follows : sin Ay ..."
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