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Trigonometry

Asked by 16th September 2009, 1:33 PM
Answered by Expert
Answer:

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

Answered by Expert 21st October 2009, 12:38 PM
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