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2. Exact trigonometric values - Wikipedia

   en.wikipedia.org/wiki/Exact_trigonometric_values

   The values of sine and cosine of 30 and 60 degrees are derived by analysis of the equilateral triangle. In an equilateral triangle, the 3 angles are equal and sum to 180°, therefore each corner angle is 60°. Bisecting one corner, the special right triangle with angles 30-60-90 is obtained.

3. Turn (angle) - Wikipedia

   en.wikipedia.org/wiki/Turn_(angle)

   For example, the degree is defined such that one turn is 360 degrees. Using metric prefixes , the turn can be divided in 100 centiturns or 1000 milliturns, with each milliturn corresponding to an angle of 0.36°, which can also be written as 21′ 36″ .

4. Degree (angle) - Wikipedia

   en.wikipedia.org/wiki/Degree_(angle)

   A degree (in full, a degree of arc, arc degree, or arcdegree), usually denoted by ° (the degree symbol), is a measurement of a plane angle in which one full rotation is 360 degrees. [ 4 ] It is not an SI unit —the SI unit of angular measure is the radian —but it is mentioned in the SI brochure as an accepted unit . [ 5 ]

5. Spherical coordinate system - Wikipedia

   en.wikipedia.org/wiki/Spherical_coordinate_system

   The standard "physics convention" 3-tuple set (,,) conflicts with the usual notation for two-dimensional polar coordinates and three-dimensional cylindrical coordinates, where θ is often used for the azimuth. [3] Angles are typically measured in degrees (°) or in radians (rad), where 360° = 2 π rad. The use of degrees is most common in ...

6. Euler's identity - Wikipedia

   en.wikipedia.org/wiki/Euler's_identity

   In mathematics, Euler's identity [note 1] (also known as Euler's equation) is the equality + = where . is Euler's number, the base of natural logarithms, is the imaginary unit, which by definition satisfies =, and

7. Texas dentist nabbed with 100 canisters of laughing gas after ...

   www.aol.com/dentist-nabbed-100-canisters...

   Christopher Michael Pedlar, a 39-year-old Houston dentists, was arrested with 107 canisters of laughing gas, cops said.. Harris County Constable Precinct 1

8. 30 Days of Healthy, 5-Ingredient Lunches - AOL

   www.aol.com/30-days-healthy-5-ingredient...

   3-Ingredient Creamy Rotisserie Chicken Salad. Carolyn Hodges. We put a flavor twist on the classic chicken salad by using a lemon-herb mayonnaise. Try other mayo varieties, like roasted garlic or ...

9. Mules that provided aid after Hurricane Helene struck down on ...

   www.aol.com/news/mules-provided-aid-hurricane...

   Hurricane Helene was a Category 4 storm that created a 500-mile path of destruction from Florida to North Carolina with catastrophic flooding, damaging winds and power outages.