Common Trigonometry Mistakes
Example: Value of a Trigonometric Function |

The Goal
Find the exact value of:
The Mistake
Find the mistake: (Roll the mouse over the math to see a hint in red) The Correction
(Roll the mouse over the area above to see the correction in blue) An Explanation
The angle 5π/6 lies in the You are expected to know the exact values of the trigonometric functions at all the nice angles. Visit Trigonometric Facts to help learn these values. |

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