`12/(9+4x^2)COS(LOG((2x-3)/(3+2x)))` `12/(9-4x^2)SIN(log((2x-3)/(3+2x)))` `12/(9-4x^2)cos(log((2x-3)/(3+2x)))` `cos(log((2x-3)/(3+2x)))`
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