Posted by claire on .
find x in DMS if 2sinx1=cscx

trig 
MathMate,
2sinx1=cscx
2sin(x)1 = 1/sin(x)
2sin²(x)sin(x)1=0
(2sin(x)+1)(sin(x)1)=0
sin(x)=1/2 or sin(x)=1
can you take it from here?
Note that sin(x) is positive in the first and second quadrants.