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Math 3 Trig Unit 6

TermDefinition
Midline Halfway between maximum value and minimum value
Phase Shift Special Name for horizontal movement of sine and cosine graph
Unit Circle Radius is one unit, center at (0,0)
terminal side Ending side of angle in standard position
initial side Beginning side of angle in standard position
radian Angle Measure for Math and Science
degree Angle Measure for Everybody Else (used but not preferred by math and science)
cosine ratio adjacent side/hypotenuse
sine ratio opposite side/hypotenuse
tangent ratio opposite side/adjactent side "uses the legs of the triangle"
angle of elevation Angle formed by the horizontal side and then moving upward
angle of depression Angle formed by the vertical side and then moving downward
Period Distance it takes for one full cycle
Sine Parent Function Equation f(x) = sinx
Cosine Parent Function Equation f(x) = cosx
Absolute Value | | which always results in a positive answer
Created by: martha.kelley