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lilyhoma3oweranb
lilyhoma3oweranb lilyhoma3oweranb
  • 20-07-2016
  • Mathematics
Answered

Use the squared identities to simplify 2cos^2x cos^2x


A.) 3-4cos(2x)-cos(4x)/4

B.) 3+4cos(2x)-cos(4x)/4

C.) 3+4cos(2x)+cos(4x)/4

D.) 3-4cos(2x)+cos(4x)/4

Verified Answer :

meerkat18
meerkat18 meerkat18
  • 20-07-2016


To simplify the expression, we can check if there are terms that are needed to be added or subtracted. In this case, there are none. we use trigonometric identities to get the simplification equation with this one. The equivalent is 2 (cos 2x ) ^2 equal to C.) 3+4cos(2x)+cos(4x)/4

Answer Link
FelFox01 FelFox01
  • 10-04-2019

Answer:

C.

Step-by-step explanation:

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