SOLUTION: Find all angles t, where 0 &#8804; t < 2&#960;, that satisfy the given condition. cos t = &#8722;1

Algebra ->  Trigonometry-basics -> SOLUTION: Find all angles t, where 0 &#8804; t < 2&#960;, that satisfy the given condition. cos t = &#8722;1      Log On


   

Question 921131: Find all angles t, where 0 ≤ t < 2π, that satisfy the given condition.
cos t = −1
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Use the unit circle, shown below



to see that if cos%28t%29+=+-1, then t+=+pi. This is assuming that 0+%3C=+t+%3C+2pi

Let me know if you need more help or if you need me to explain a step in more detail.
Feel free to email me at jim_thompson5910@hotmail.com
or you can visit my website here: http://www.freewebs.com/jimthompson5910/home.html

Thanks,

Jim