Matt Wolf



Parent Functions

Degree-Radian Conversions

Evaluating Six Trigonometric Functions

Examples: Calculate the indicated trigonometric function value.

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|Quadratic |Cubic |Absolute Value |Square Root |Reciprocal |

|[pic] |[pic] |[pic] |[pic] |[pic] |

|[pic] |[pic] |[pic] |[pic] |[pic] |

To convert radians to degrees multiply by [pic].

Examples: Convert the following angles to degrees.

[pic] [pic]

To convert degrees to radians multiply by [pic].

Examples: Convert the following angles to radians.

[pic] [pic]

Trick Table

| |30º = [pic] |45º = [pic] |60º = [pic] |

|sin |[pic] |[pic] |[pic] |

|cos |[pic] |[pic] |[pic] |

|tan |[pic] |1 |[pic] |

|Unit Circle Identities |

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|[pic] [pic] [pic] |

|Reciprocal Identities |

| |

|[pic] [pic] |

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|[pic] [pic] |

| |

|[pic] [pic] |

|Quotient Identities |

| |

|[pic] [pic] |

|Pythagorean Identities |

| |

|[pic] |

| |

|[pic] [pic] |

ASTC Memory Device

[pic]

Each letter indicates the trig. function that is positive in each quadrant

[pic] [pic] [pic]

Quadrant = _____ Quadrant = _____ Quadrant = _____

Reference Angle = _____ Reference Angle = _____ Reference Angle = _____

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