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Math 3 Trig Unit 6
| Term | Definition |
|---|---|
| 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 |