I would also like to know how you came up with your answer so that I may sucseed in this class.
+130071 The left side is undefined at x = 0 and 2pi ....because csc x is undefined at these values
But cos (0) and cos (2pi) = 1
csc pi/ 4 = sqrt (2)
tan pi/ 4 = 1
cos (pi/4) = 1/sqrt (2)
So
sqrt (2) * 1 not equal to 1/sqrt(2)
csc pi/3 = 2/sqrt (3)
tan pi/3 = sqrt (3)
cos pi/3 = 1/2
So
[ 2 / sqrt (3) [ * sqrt (3) not equal to 1/2
This is not true for any value of x
