EdBoogie EdBoogie
  • 23-05-2017
  • Mathematics
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sinx cosx tanx=1-cos^2x

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pcyjp2
pcyjp2 pcyjp2
  • 23-05-2017
tan x = sin x/ cos x. Cos x cancels. Sin^2 x =1-cos^2 x (standard trig identity) 
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