How do I solve this? -0.5 = sin((Pi*x)/12) Sin is -0.5 when the angle is 30. Since it is negative, angles are 210 and 330. I get eventually 7,11,14,23... Which are wrong somehow. Please help! Thx
Follow Math Help Forum on Facebook and Google+
Solve for x: , n=0,1,2,......
Last edited by galactus; Jul 20th 2006 at 11:29 AM. Reason: typo
Originally Posted by classicstrings How do I solve this? -0.5 = sin((Pi*x)/12) Sin is -0.5 when the angle is 30. Since it is negative, angles are 210 and 330. I get eventually 7,11,14,23... Which are wrong somehow. Please help! Thx If you simply had, Then, then the two coterminal angles are, Then all solutions are, But since you have, All solutions are, Thus, (mutiply by reciprocal)
Originally Posted by ThePerfectHacker
Thanks a lot guys! I realised today when I logged on that you changed the updated the number of (1800+) members sign too!
View Tag Cloud