start on TOP
Follow Math Help Forum on Facebook and Google+
Let's see the denominator :
Do you see the thing ? Do you see which formula for cos(2b) you will have to use ?
Now this is the tricky thing :
How did I know it ? Because I know where I want to go
Seeing that I thanked you for your hard work, please help with this one http://www.mathhelpforum.com/math-he...h-problem.html
View Tag Cloud