Posted by **Shaun** on Monday, November 15, 2010 at 1:35am.

Use an addition or subtraction formula to write the expression as a trigonometric function of one number, and then find its exact value.

(tan(π/2)+tan((2π)/3))

/

(1-tan(π/2)tan((2π)/3))

Answer=__________

Exact value answer=_________

~Thank you.. I thought it was undefined, apparently not.

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