M myshinyteethandme Full Member 7+ Year Member Aug 18, 2014 #1 Advertisement - Members don't see this ad Can anyone show me how to do #9. I just want to confirm that what I'm doing is correct. Which of the following is equal to cosx if sec x= -5/3 and if pi/2<x<3pi/4 A. -0.28 B.-0.6 C.8/5 D.7/25 E.16/25 Thank you!!
Advertisement - Members don't see this ad Can anyone show me how to do #9. I just want to confirm that what I'm doing is correct. Which of the following is equal to cosx if sec x= -5/3 and if pi/2<x<3pi/4 A. -0.28 B.-0.6 C.8/5 D.7/25 E.16/25 Thank you!!
