SOLUTION: Use a cofunction to write an expression equal to Sec 2pi ----------- --- 9

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Question 976329: Use a cofunction to write an expression equal to
Sec 2pi
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9
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Use a cofunction to write an expression equal to
Sec 2pi
---------------
9
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sec[(2/9)pi] = csc[pi/2 - (2/9)pi] = csc[(9-4)pi/9] = csc[(5/9)pi]
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Cheers,
Stan H.
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