Thread: Desparate trig help needed

I don't even know where to start with this question:

if arccos(x)= -1 then what does the csc(x) = ?

Also: find solutions of equation [in form of theta + 2pik, 0<theta<2pi ] for

2cos(x)-sq.rt.of 3=0

Again, I don't even know where to begin.

Thanks anyone.

Originally Posted by jd981

I don't even know where to start with this question:

if arccos(x)= -1 then what does the csc(x) = ?

You are supposed to know that

. That means:



Since you'll get:

Also: find solutions of equation [in form of theta + 2pik, 0<theta<2pi ] for

2cos(x)-sq.rt.of 3=0

...