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October 21, 2014

October 21, 2014

Posted by **Anonymous** on Tuesday, October 9, 2012 at 9:01pm.

theta = 4

- math -
**Reiny**, Tuesday, October 9, 2012 at 9:52pmI assume that Ø = 4 radians

2π radians = appr 6.28

3π/2 = 4.7

π rad = 3.14

so 4 radians must be in**quadrant III**

and**the reference angle is 4 - π = .8584**

check: since in III the tangent is positive,

tan 4 = 1.1578

tan .8584 = 1.155 , close enough

- math -
**Anonymous**, Tuesday, October 9, 2012 at 9:56pmthankyou!

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