### If sin(x)=root2/root3 and cos(x)>0, find sin (2x)

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**Wed May 18, 2011 1:11 pm**If sin(x)=root2/root3 and cos(x)>0, find sin (2x)

If csc x=-(4/3), and x terminates in quadrant IV, find tan(x)

Can somone help me with these problems i do not have a clue how to do them and my teacher is no help.

If csc x=-(4/3), and x terminates in quadrant IV, find tan(x)

Can somone help me with these problems i do not have a clue how to do them and my teacher is no help.