mariavsh
mariavsh
27-03-2017
Mathematics
contestada
expressing cos^2x in terms of cos2x
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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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