The unit circle definition of trigonometric function- vtap mobile videos

Unit Circle Definition of Trig Functions

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khanacademy

Using the unit circle to define the sine, cosine, and tangent functions

10m 11s |

a year ago

YouTube

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khanacademy (YouTube)

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Graph of the sine function

1580

khanacademy

Using the unit circle definition of the sine function to make a graph of it. Using the unit circle definition of the sine function to make a graph of it.

7m 43s |

a year ago

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Trigonometry 4: Sine Cosine and Tangent Part 1 (6:08)

hsw

If you know the values of the sine ratio for special angle measures around the unit circle or if you have a scientific calculator or better, you can graph the sine function y = sin(t).

6m 8s |

2 months ago

HowStuffWorks

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Trigonometry 5: Sine Cosine and Tangent Part 2 (11:50)

hsw

...iliar with the graph of y = sin(t), you will have no trouble graphing y = cos(t). In a table, let t be the special angle measures from your unit circle, and let y be the value of the cosine at ...

11m 50s |

2 months ago

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The World of Trigonometry: Graphing (13:15)

hsw

...otice how each point on the unit circle can be described as an ordered pair (x,y) -- where x = cos(t), y = sin(t) and t is the angle of rotation. Use these values of t and sin(t) to graph a sine ...

13m 15s |

2 months ago

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