Where is my error in this problem? Set up triangle with angle t, adjacent , opposite=2x, and hypotenuse=1.
Last edited by Mike9182; September 2nd 2010 at 09:02 AM. Reason: latex error
Follow Math Help Forum on Facebook and Google+
sin(2t)= 2 sin(t) cos(t). Here, you have sin(t)= 2x and, from , so that . .
Hello, Mike9182! Your error is a silly one in the last step . . . back-substituting. Set up triangle with angle . . This is all correct! So we have: . Then: . Substitute: . . . . . . . .
View Tag Cloud