Question: Given that tan()=-(5/12), sin >-0, and sec ()=-(29/20), cot >0, find sin (+), cos(+), and tan(+). In addition, state the quadrant in which + lies.

  1. Given that tan()=-(5/12), sin >-0, and sec ()=-(29/20), cot >0, find sin (+), cos(+), and tan(+). In addition, state the quadrant in which + lies.
  2. Verify the identity cos (4x)=8cos4x-8cos2x+1. (hint: 4x=2(2x)=2x+2x)

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