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- Jul 22nd 2009, 02:02 AMmp3qzAnother trig equation question
Let's continue

- Jul 22nd 2009, 05:35 AMyeongil
Start by using the sine of a difference formula:

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01 - Jul 22nd 2009, 06:56 AMmp3qz
If you can, why don't you solve?

- Jul 22nd 2009, 06:59 AMmr fantastic
- Jul 23rd 2009, 06:27 AMmp3qz
sorry, that's my teacher's test.

i can't solve, and this is solution

http://dientuvietnam.net/cgi-bin/mim...os2x+4sinx+1=0

http://dientuvietnam.net/cgi-bin/mim...2sin^2 (x)+2=0

http://dientuvietnam.net/cgi-bin/mim...)+ cos^2 (x)=0 - Jul 23rd 2009, 09:19 AMred_dog
It's something wrong in the second equation. Where is ?

- Jul 23rd 2009, 08:29 PMmp3qz
sorry, it's wrong.

sorry every body. But who can help me this equation? PLEASE(Worried)