R RDHDDS New Member 10+ Year Member 15+ Year Member Joined Jun 5, 2007 Messages 6 Reaction score 0 Points 0 Pre-Dental Jun 16, 2007 #1 Advertisement - Members don't see this ad Please help! Solve: 4 csc^2a -1=0 for all values 0≤ a≤ 360^0 A.{1/2, -1/2} B.{0,1} C.{-Ö2,Ö2) D.{-Ö 2/2, Ö 2/2}
Advertisement - Members don't see this ad Please help! Solve: 4 csc^2a -1=0 for all values 0≤ a≤ 360^0 A.{1/2, -1/2} B.{0,1} C.{-Ö2,Ö2) D.{-Ö 2/2, Ö 2/2}
R RDHDDS New Member 10+ Year Member 15+ Year Member Joined Jun 5, 2007 Messages 6 Reaction score 0 Points 0 Pre-Dental Jun 16, 2007 #2 Let me rewrite the question Solve: 4csc^2(a) - 1= 0 Upvote 0 Downvote
2007doc Membership Revoked Removed 10+ Year Member 15+ Year Member Joined Jun 11, 2007 Messages 26 Reaction score 0 Points 0 Jun 16, 2007 #3 RDHDDS said: Let me rewrite the question Solve: 4csc^2(a) - 1= 0 Click to expand... Answer=(E)who cares Upvote 0 Downvote
RDHDDS said: Let me rewrite the question Solve: 4csc^2(a) - 1= 0 Click to expand... Answer=(E)who cares
S Streetwolf Ultra Senior Member Verified Member 10+ Year Member Dentist 15+ Year Member Joined Oct 25, 2006 Messages 1,801 Reaction score 7 Points 4,571 Location NJ Dentist Jun 16, 2007 #4 RDHDDS said: Let me rewrite the question Solve: 4csc^2(a) - 1= 0 Click to expand... 4csc^2(a) = 1 csc^2(a) = 1/4 csc(a) = 1/2 1/sin(a) = 1/2 sin(a) = 2 Can't be solved. No solution. Upvote 0 Downvote
RDHDDS said: Let me rewrite the question Solve: 4csc^2(a) - 1= 0 Click to expand... 4csc^2(a) = 1 csc^2(a) = 1/4 csc(a) = 1/2 1/sin(a) = 1/2 sin(a) = 2 Can't be solved. No solution.
A Anemone lost in goa 10+ Year Member 15+ Year Member Joined Jul 2, 2006 Messages 233 Reaction score 0 Points 0 Jun 16, 2007 #5 This is a question from topscore and the answer is E which is like empty set or something..so yeah, no solution. Upvote 0 Downvote
This is a question from topscore and the answer is E which is like empty set or something..so yeah, no solution.
