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2. Quadrant (plane geometry) - Wikipedia

   en.wikipedia.org/wiki/Quadrant_(plane_geometry)

   Signs of trigonometric functions in each quadrant. In the above graphic, the words in quotation marks are a mnemonic for remembering which three trigonometric functions (sine, cosine and tangent and their reciprocals) are positive in each quadrant. The expression reads "All Science Teachers Crazy" and proceeding counterclockwise from the upper ...

3. Cartesian coordinate system - Wikipedia

   en.wikipedia.org/wiki/Cartesian_coordinate_system

   The quadrants may be named or numbered in various ways, but the quadrant where all coordinates are positive is usually called the first quadrant. If the coordinates of a point are ( x , y ) , then its distances from the X -axis and from the Y -axis are | y | and | x |, respectively; where | · | denotes the absolute value of a number.

4. Mnemonics in trigonometry - Wikipedia

   en.wikipedia.org/wiki/Mnemonics_in_trigonometry

   Signs of trigonometric functions in each quadrant. All Students Take Calculus is a mnemonic for the sign of each trigonometric functions in each quadrant of the plane. The letters ASTC signify which of the trigonometric functions are positive, starting in the top right 1st quadrant and moving counterclockwise through quadrants 2 to 4.

5. Coordinate system - Wikipedia

   en.wikipedia.org/wiki/Coordinate_system

   The simplest example of a coordinate system is the identification of points on a line with real numbers using the number line.In this system, an arbitrary point O (the origin) is chosen on a given line.

6. Fed officials signal more gradual approach to lowering rates ...

   www.aol.com/finance/fed-officials-signal-more...

   Federal Reserve governor Lisa Cook said Monday it makes sense to lower interest rates more gradually given resilience in the job market and stickier-than-expected inflation. "I think we can afford ...

7. 17-Year-Old Cheerleader Is Stabbed to Death Days Before ...

   www.aol.com/17-old-cheerleader-stabbed-death...

   A 17-year-old cheerleader from California was stabbed to death just days before Christmas — and police say they've arrested an "acquaintance" in connection with the case.