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### 66 Cards in this Set

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 30˚ = _____ rad pi/6 45˚ = _____ rad pi/4 60˚ = _____ rad pi/3 90˚ = _____ rad pi/2 120˚ = _____ rad 2pi/3 135˚ = _____ rad 3pi/4 150˚ = _____ rad 5pi/6 180˚ = _____ rad pi 210˚ = _____ rad 7pi/6 225˚ = _____ rad 5pi/4 240˚ = _____ rad 4pi/3 270˚ = _____ rad 3pi/2 300˚ = _____ rad 5pi/3 315˚ = _____ rad 7pi/4 330˚ = _____ rad 11pi/6 360˚ = _____ rad 2pi Ray (aka Half-Line) portion of a line that starts at point V on the line and extends indefinitely in one direction Vertex starting point of a ray If 2 rays are drawn with a common vertex... they form an angle An angle is in standard position if? its vertex is at the origin and its initial side coincides with the positive x-axis The terminal side of an angle in standard position can be said to be either... in a quadrant or a quadrantal angle (it coincides with the x or y axis) Clockwise Rotation denotes a negative angle Counterclockwise Rotation denotes a positive angle A central angle is? a positive angle whose vertex is the center of a circle Linear Speed V = S/T Angular Speed V = RW Limits are used to? control output Derivatives are used to? define slope Integrals are used to? find area Series are used for? computation Reflexive Property of Equality x=x Symmetric Property of Equality x=y and y=x Transitive Property of Equality x=y and y=z then x=z Commutative Property of Arithmetic given y + x you can write x + y given xy you may write yx Associative Property of Arithmetic given x+(y+z) you may write x+y+z given x(yz) you may write xyz Distributive Property of Arithmetic given x(y+z) you may write xy + xz Identity Property of Arithmetic given x+0 you may write x given 1x you may write x Inverse Property of Arithmetic given x-x you may write 0 given x/x you may write 1 The inverse of addition is ____? subtraction, it is the opposite The inverse of multiplication is _____? division, it is the reciprocal The parts of a sum are called? terms The parts of a product are called? factors Unit Circle a circle whose radius is 1 and whose center is @ the origin of a rectangular coordinate system Any circle of radius r has circumference of? 2pi*r Sine Function sin t = y Cosine Function cos t = x Tangent Function If x is not equal to 0 it is defined as tan t = y/x Cotangent Function if y does not equal zero it is defined as cot t = x/y Secant Function if x does not equal 0 it is defined as sec t = 1/x Cosecant Function if y does not equal 0 it is defined as csc t = 1/y If x = 0... tangent and secant are undefined If y = 0... cotangent and cosecant are undefined Which two trig functions are even functions? cosine and secant Which two trig functions are positive in the third quadrant? tangent and cotangent What is the domain of a function? the set of all permissible inputs What is the range of a function? the set of all possible outputs Why are all trig functions positive in the first quadrant? because x and y are both positive in the first quadrant Which two functions are positive in the second quadrant? only sine and cosecant since their definitions only use y Which trig functions are positive in the fourth quadrant? only cosine and secant since their definitions only use x The range of tangent and cotangent contains? all real numbers If f(-x) = f(x) then the function is _____. even If f(-x) = -f(x) then the function is _____. odd The trig functions defined using only x are _____. even The trig functions using only y are _____. odd The reciprocal of any odd function is _____. odd The reciprocal of any even function is _____. even