mariavsh
mariavsh mariavsh
  • 27-03-2017
  • Mathematics
contestada

expressing cos^2x in terms of cos2x

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tabbyflcca
tabbyflcca tabbyflcca
  • 27-03-2017
Rearrange 
2sin^2x = 1-Cos2x 

Divide by 2 to isolate for sin^2x 
sin^2x = (1-Cos2x)/2
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