1.2-1.3 The Distance Formula and Angles in the Coordinate

1.2-1.3 The Distance Formula and Angles in the Coordinate -...

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The Distance Formula & The Distance Formula & Angles in the Coordinate Angles in the Coordinate Plane Plane Sections 1.2 and 1.3 Sections 1.2 and 1.3
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The Distance Formula The Distance Formula The distance formula is based on the Pythagorean Theorem. 2 1 ( , ) D x y 2 2 2 a b c + = 1 1 ( , ) F x y 2 2 ( , ) E x y e d f 2 2 2 1 2 1 ( ) ( ) d x x y y = - + -
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Angles Angles An angle is formed by rotating a ray about its vertex from one position, called the initial side of the angle, to another, called the terminal side . terminal side initial side
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When the vertex of an angle is the origin of the coordinate plane and its initial side
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Unformatted text preview: coincides with the positive x-axis, the angel is said to be in standard position . If an angle is formed by a counterclockwise rotation, its measure is positive. If an angle is formed by a clockwise rotation, its measure is negative. 210 150 - One full counterclockwise rotation measures . One full clockwise rotation measures . 360 360 Joke Time Joke Time What trigonometry do farmers do? Swine and coswine What do mathematicians sleep on? Ma-trices...
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This note was uploaded on 12/01/2011 for the course MATH 111 taught by Professor Stuff during the Winter '11 term at BYU.

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1.2-1.3 The Distance Formula and Angles in the Coordinate -...

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