Friday
March 24, 2017

Post a New Question

Posted by on Thursday, April 25, 2013 at 4:42pm.

Evluate Cos22,5'

  • mathematics - , Thursday, April 25, 2013 at 4:57pm

    22.5 is half of 45
    use your half-angle formula

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question