- #1
abc
- 22
- 0
2 questions ...
1- solve :
5 > x^2 >= -9
: x belongs to R
----------------------------------------------
2- solve :
cos (x+30) - sin (2x) = 0
45 >= x >= 0
----------------------------------------------
thanx
regards
abc
1- solve :
5 > x^2 >= -9
: x belongs to R
----------------------------------------------
2- solve :
cos (x+30) - sin (2x) = 0
45 >= x >= 0
----------------------------------------------
thanx
regards
abc