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Mathematics 74 Online

OpenStudy (anonymous):

WILL FAN AND MEDAL 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

9 years ago

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