# Thread: Finding a value for tan(7.5°)

1. ## Finding a value for tan(7.5°)

I don't really see a way to simplify this any further..

2. ## Re: Finding a value for tan(7.5°)

Originally Posted by pererashenaya7
I don't really see a way to simplify this any further..
That said $4\cdot 7.5^o=30^o$
$\tan(4x)=?$
Look at this. Sorry about the size. But you can use the expansion.