Posted by Stan on Wednesday, December 12, 2012 at 11:26am.
1. cot = 1/tan
2. sec = 1/cos
7. tan,cot > 0 in QI,QIII
14. cos = sin/tan
19. 4^2 + (√17)^2 = (√33)^2, sin = tan*cos
so, what are your answers?
oops
19. 4^2 + (√33)^2 = (√49)^2
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