How would I get this problem on the calculator?

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google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#q=arcsec (-2 sqrt 3/2)
google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#q=arccsc (-2 sqrt 3/2)
twitter.com/SFWRedditVideos

Write it down in reverse Polish notation. The solution to your problem will then become trivial.

>reverse Polish notation
CSC(theta)=(-2*3/3)

you should read the wiki page a little closer

1csc-(2*3/3)?

No. RPN doesn't need parentheses.

AAAAAHHHHH

1/csc x -2*3/2 ?

>csc^-1
>1/csc
THIS IS WHY THIS NOTATION IS RETARDED

the notation of inverse functions is from the group theory of function composition. i agreed that it is someone's hard to follow.