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OpenStudy (anonymous):
Am I verifying this identity correctly? 4 cos² x + 3 sin² x = 3 + cos² x (cos^2x+sin^2x)+(cos^2x+sin^2x)+(cos^2x+sin^2x)+cos^2x 1+1+1+cos^2x 3+cos^2x
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OpenStudy (anonymous):
yeah you are
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