SOLUTION: find sin(x/2), cos (x/2), tan(x/2) from the given information. csc(x)=-5/4 , 270<x<360

Algebra ->  Trigonometry-basics -> SOLUTION: find sin(x/2), cos (x/2), tan(x/2) from the given information. csc(x)=-5/4 , 270<x<360      Log On


   

Question 1187920: find sin(x/2), cos (x/2), tan(x/2) from the given information.
csc(x)=-5/4 , 270
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
find sin(x/2), cos (x/2), tan(x/2) from the given information.
csc(x)=-5/4 , 270 < x < 360
=====================
sin(x) = -4/5
-------------------
Look at "Half angle formulas" on Wikipedia.
email via the TY note if you need help.