Question
Wed September 16, 2009 By:

Trigonometry

Expert Reply
Wed October 21, 2009

If secA = -12/5    and A is in the 2nd quadrant

then cos A= -5/12  sin A =119/12  tan A = - 119/5  cot A =  -5/119  

Substitute these values in 2sin2A + cot2A / sec2A + 2sin2A  and simplify

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