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Intro to Trigonometry
13
Sine: y/r
Cosine: x/r
Tangent: y/x
Cosecant: r/y or 1/y
Secant: r/x or 1/x
Cotangent: x/y
Quadrantal Angles: 0°, 90°, 180°, 270°, 360°
Right triangle: triangle with 2 acute angles and 1 right angle
Hypotenuse: longest side of right triangle
Even property: sec(-150°)= sec 150°
Odd property: tan(-3π/2)= -tan 3π/2
Periodic: repeating after a certain period
Phase shift: ϕ/k
Intro to Trigonometry
1. | 0°, 90°, 180°, 270°, 360° |
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2. | triangle with 2 acute angles and 1 right angle |
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6. | longest side of right triangle |
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9. | repeating after a certain period |
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© 2015
PuzzleFast.com, Noncommercial Use Only
Intro to Trigonometry
1. | 0°, 90°, 180°, 270°, 360° |
| |
2. | triangle with 2 acute angles and 1 right angle |
| |
| |
| |
| |
6. | longest side of right triangle |
| |
| |
| |
9. | repeating after a certain period |
| |
| |
| |
| |
| |
© 2015
PuzzleFast.com, Noncommercial Use Only