Mathematics, 25.09.2019 18:30 jtg23

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

Answers: 2

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Use the squared identities to simplify 2cos^2x cos^2x
a.) 3-4cos(2x)-cos(4x)/4
b.) 3+4c...

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