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January 31, 2015

January 31, 2015

Posted by **karen** on Wednesday, September 14, 2011 at 10:38pm.

- trig -
**Reiny**, Wednesday, September 14, 2011 at 10:43pmmake a sketch in III

y = -5, r = 13 , then

x^2 + (-5)^2 = 169

x = -12 in III

sinØ = -5/13, cscØ = -13/5

cosØ = -12/13, secØ = -13/12

tanØ = -5/-12 = 5/12

cotØ = 12/5

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