March 25, 2017

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find the exact value of the given expression. Thank you!


  • pre-calc - ,

    tangent of 1/2 the angle whose cosine is 9/10

    Exact value? What is wrong with a calculator? Paste this into your google search window...


    Is that exact enough? It appears to be an irrational number.

  • pre-calc - ,

    find the exact value of (5pie/8)

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