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  • 07-05-2018
  • Mathematics
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20 POINTS!

Rewrite with only sin x and cos x.

sin 2x - cos 2x

My choices are as follows:

20 POINTS Rewrite with only sin x and cos x sin 2x cos 2x My choices are as follows class=

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icedipping
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  • 07-05-2018
Option 1.
sin(2x) = 2sin(x)cos(x)
cos(2x) = 1 - 2sin(x)^2
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