First HP: Best method to solve equations very slightly advanced...

I always seem to struggle with trying to find a correct and reliable way to do different things with this calculator.  I've stuck with him since they were released at the beginning and I intend to continue to wear for everyday use when I finished my degree.  The problem I encounter is that there are two fairly detailed instructions published or find methods that I do not work for slightly more advanced problems than those in the manuals, etc. of the user.

Then, I manipulated an equation until the following and I need to solve for alpha without random speculation and 40 different attempts, which is the best method to achieve this?  I tried to plug in this whole equation in the 'Solve' application in different formats, but the number it solves for is always about 0.5 to low or high, in this case I probably have a bad setting somewhere.  I also tried to solve, csolve and orders fsolve in AR but I always get some [[]] as a result.  I guess it's either a mistake or is it which indicates that there are several answers, but where do I go from here?  I was not able to find that [[]] actually means.

Here's my equation: (sin(2*a)/(2*pi))-(a/pi)+0.75=0, where a = letter Greek alpha.)  The correct answer is 1,986 rad = 113.8 degrees.

Please help, thanks!

Sorry Tim, after little sleep and fees starting this morning, I realized that 1) I did not use the appropriate syntax to solve/csolve/fsolve, i.e.: I was not finishing the statement of education and that's why I was getting the [[]].  (2) I realized that when I received a response that was in degrees because I had not turned on my way to radians.  I am all set now and can find the right answer through a number of ways.  Thanks for the reply and my apologies for taking your time.

Tags: HP Tablets

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