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A Trigonometric Path into the Land of Regular Pentagons - National ...

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14. Use <strong>the</strong> above steps to complete <strong>the</strong> following chart for tangent. Please remember that in<br />

step 6 and step 8 you are now calculating tangent. Answers will vary.<br />

Degree <strong>of</strong> your<br />

point <strong>of</strong> view<br />

angle<br />

Tan <strong>of</strong> <strong>the</strong><br />

degree<br />

Opposite<br />

side length<br />

Adjacent side<br />

length<br />

Hypotenuse<br />

length<br />

Tan = opp<br />

adj<br />

15. Do your findings agree with your hypo<strong>the</strong>sis to question number 12?<br />

Students should be able to recognize that no matter what trig function <strong>the</strong>y use it will<br />

correspond to <strong>the</strong> ratio <strong>of</strong> <strong>the</strong> side lengths.

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