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February 28, 2015

February 28, 2015

Posted by **bhangu** on Tuesday, January 31, 2012 at 12:07pm.

through the given point.

2) (15, 20); Find csc è.

A) 5/3

B) 3/4

C) 5/4

D) 4/3

- trig -
**Henry**, Thursday, February 2, 2012 at 6:04pmtanA = 20/15 = 4/3 = Y/X.

r^2 = X^2 + Y^2,

r^2 = 3^2 + 4^2 = 25,

r = 5.

sinA = Y/r = 4/5,

cscA = 1/sinA = 5/4.

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