Algebra 2, 2008
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The coordinates are and .
Using the Pythagorean theorem, To find the r.
(Pythagorean theorem)
(Substitute and )
(Evaluate poewers: )
(Add: 49 + 576 = 625)
(The perfect square root of )
Find the six trigonometric functions
Substitute these values , and .
,
,
,
,
,
,
.
The angles are ,,,,,.
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