homework help > math > algebra thru pre-calculus q&a board > topic: trig help...

Q BgQuestion:

      
Novice
Karma Points: 25
Respect (80%):
posted by  needhelpw/math on 10/28/2009 4:53:02 PM  |  status: Closed  |  Earned Karma: 25

trig help

Course Textbook Chapter Problem Needs by
N/A N/A N/A N/A 10/28/2009 at 8:00:00 PM
Question Details:
I can not seem to figure this one out:
 
All solutions in interval [0,2pie)
 
thank you

AAnswers:

Answer Question Ask for clarification
Oracle
Karma Points: 18,830
posted by Marth on 10/28/2009 5:05:57 PM  |  status: Live
Asker's Rating: Lifesaver   
Response Details:


Using the double angle formula, , we can rewrite this as .
Because , .


or
or
on the interval .
 
FYI, π is spelled "pi"


Thank you for rating my response. Feel free to PM me if you have further questions.

Java Genius

"Lois Lane is falling, accelerating at an initial rate of 32ft per second per second. Superman swoops down to save her by reaching out two arms of steel. Ms. Lane, who is now traveling at approximately 120 miles per hour, hits them, and is immediately sliced into three equal pieces." - Sheldon
Answer Question Ask for clarificarion
Ask New Question

Join Cramster's Community

Cramster.com brings together students, educators and subject enthusiasts in an online study community. With around-the-clock expert help and a community of over 100,000 knowledgeable members, you can find the help you need, whenever you need it. Join for free today » How Cramster is different from tutoring »

Need Help In

Useful Links