How do you solve for x for this equation: 2sin(2x-60°)=1? where -2π ≤ x ≤ 2π [π=pi] I am unsure of where to start for this one
Follow Math Help Forum on Facebook and Google+
Originally Posted by Jd09 How do you solve for x for this question: 2sin(2x-60°)=1? where -2π ≤ x ≤ 2π I am unsure of where to start for this one so now what? what are all the solutions? which have x in the given range?
Is this correct? (sin-1)sin(2x-60)=1/2(sin-1) (2x-60)=30 x=45 ??
Originally Posted by Jd09 Is this correct? (sin-1)sin(2x-60)=1/2(sin-1) (2x-60)=30 x=45 ?? that is correct...is that the only solution? you want remember?
135... and would -135 work as well?
Thank you for your help!
Last edited by mr fantastic; Apr 7th 2009 at 10:07 PM. Reason: Moved the rest of the post to a new thread
View Tag Cloud