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Chapter 6 Review Sheet.per2.Nov.2011

# Chapter 6 Review Sheet.per2.Nov.2011 - Chapter 6 Review 6.1...

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a r Θ= Θ= a r r r Chapter 6 Review 6.1 Radian Measure Radian: Alternative to represent the size of an angle. Arc Length ( a ): Proportional to the radius and the central angle, θ . *One radian is about 57.3° Π radians = 180 ° To convert from degree measure to radians, multiply by Π 180° To convert from radians to degrees, multiply by 180 ° Π 6.2 Radian Measure and Angles on the Cartesian Plane The trigonometric ratios for any principal angle, θ , in standard position can be determined by finding the related acute angle, β, using coordinates of any point that lies on the terminal arm of the angle. sinθ = y cos θ = x tan θ = y r r x csc θ = r sec θ = r cot θ = x y x y = = 1

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The CAST rule Quad 2 S Quad 1 A Quad 1: All ( A ) ratios are positive Quad 2: Sine ( S ) is positive Quad 3: Tan ( T ) is positive Quad 4: Cod ( C ) is positive Quad 3 T Quad 4 C 6.3 Exploring Graphs of the Primary Trigonometric Functions
Summary of the Graphs of Primary Trig Functions Function Period EOA Amp Max Value Min Value Domain Range 2

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Chapter 6 Review Sheet.per2.Nov.2011 - Chapter 6 Review 6.1...

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