SOLUTION: Evaluate exactly the exprssion cos225 sec405 + csc765 sec675

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Question 913209: Evaluate exactly the exprssion cos225 sec405 + csc765 sec675
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Evaluate exactly the exprssion
cos225 sec405 + csc765 sec675
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= (-cos(45)*sec(45) + csc(45)*sec(45)
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= -1+1
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= 0
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Cheers,
Stan H.