trig

Solve without using a calculator or tables

cos(5pi/6 + pi/4)

Thank you Reiny!:)

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asked by Priya
  1. Jonathan in

    http://www.jiskha.com/display.cgi?id=1209673617

    had a very similar question.
    Follow that method, I am sure you can handle it.

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    posted by Reiny

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