## anonymous one year ago tan 9pi/4 Show graph and what it is equal to. For ex: Cos 420 degrees= cos 420+60 Cos 60 degrees= 1/2

• This Question is Open
1. campbell_st

well if you know $\pi = 180$ then you can work it out from there... the angle is 1st quadrant

2. Clalgee

Welcome to OpenStudy!!