Defining Circular Functions

Topic:
Functions

Use the graph to determine the six trigonometric functions.

Which segment represents the sine of angle BAC?

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Which segment represents the cosine of angle BAC?

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Tangent and Secant Lines

Use the properties of reciprocals (4 > 3, but 1/4 < 1/3) and the definitions of tangent and secant lines to determine the answers to the following:

Which segment represents the tangent of angle BAC?

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Which segment represents the cosecant of angle BAC?

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Which segment represents the secant of angle BAC?

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Which segment represents the cotangent of angle BAC?

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