rewrite 7 sin2A – 5 sin A + cos2A = o to solve for A

1 answer

1. Been messing around with this for a while but it has me stumped.
   I did get a couple of answers using a trusty on - line equation solver, but I just can't get the expression simplified.
   
   If it helps at all
   A = 1.1492098 and A = 3.089173 radians

   Answer ID
   525259

   Created
   April 4, 2011 4:33pm UTC

   Rating
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   URL
   https://questions.llc/answers/525259