SOLUTION: Evaluate: {{{sin^2(-2pi/3) -csc(pi/2)}}}

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Question 984947: Evaluate:
sin%5E2%28-2pi%2F3%29+-csc%28pi%2F2%29

Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!




Note that and are equivalent.

Look up the values of sine for these special angles on the unit circle and then do the arithmetic.



John

My calculator said it, I believe it, that settles it