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January 31, 2015

January 31, 2015

Posted by **Marcy** on Tuesday, March 1, 2011 at 10:52pm.

1. (8, 4)

2. (4, 4√3)

3. (0, -4)

4. (6, 2)

- pre calc -
**Reiny**, Tuesday, March 1, 2011 at 11:41pmI will do the 2nd one:

for the point (4,4√3)

x = 4, y = 4√3 , r = 8 (by Pythagoras)

sinØ = y/r = 4√3/8

cscØ= 8/(4√3)

cosØ = x/r = 4/8 = 1/2

secØ = 2

tanØ = y/x = 4√3/4 = √3

cotØ = 1/√3

do the others the same way.

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