T TimeforDAT Full Member 10+ Year Member 15+ Year Member Jun 26, 2007 #1 Advertisement - Members don't see this ad #17 QR of Test 1 in topscore 4csc^2 - 1 = 0, then u end up with csc^2 = 1/4, then square root it to make it csc = 1/4..someone please explain why csc is never +/- 1/2
Advertisement - Members don't see this ad #17 QR of Test 1 in topscore 4csc^2 - 1 = 0, then u end up with csc^2 = 1/4, then square root it to make it csc = 1/4..someone please explain why csc is never +/- 1/2
S Streetwolf Ultra Senior Member Verified Member 10+ Year Member Dentist 15+ Year Member Jun 26, 2007 #2 TimeforDAT said: #17 QR of Test 1 in topscore 4csc^2 - 1 = 0, then u end up with csc^2 = 1/4, then square root it to make it csc = 1/4..someone please explain why csc is never +/- 1/2 Click to expand... csc = 1/sin Which means 1/sin = 1/2 Which means sin x = 2 but sin is bounded by -1 and 1 so it can never = 2. Upvote 0 Downvote
TimeforDAT said: #17 QR of Test 1 in topscore 4csc^2 - 1 = 0, then u end up with csc^2 = 1/4, then square root it to make it csc = 1/4..someone please explain why csc is never +/- 1/2 Click to expand... csc = 1/sin Which means 1/sin = 1/2 Which means sin x = 2 but sin is bounded by -1 and 1 so it can never = 2.
D Dentalicous1234 Full Member 10+ Year Member 15+ Year Member Aug 15, 2007 #3 cos is also bounded by -1 and 1, but what is it for tan? Upvote 0 Downvote
Z z3u2 Full Member 10+ Year Member 15+ Year Member Aug 15, 2007 #4 Dentalicous1234 said: cos is also bounded by -1 and 1, but what is it for tan? Click to expand... any real number Upvote 0 Downvote
Dentalicous1234 said: cos is also bounded by -1 and 1, but what is it for tan? Click to expand... any real number
