# How do you use the half angle identity to find #tan (pi/8)#?

##### 1 Answer

Nov 12, 2014

By the half-angle identity

we have

I hope that this was helpful.

Nov 12, 2014

By the half-angle identity

we have

I hope that this was helpful.

7646 views
around the world

You can reuse this answer

Creative Commons License

Creative Commons License