1. Verify the identity: 2cos4xsin2x=2sin3xcos3x-2cosxsinx 2. Verify the identity: (1/1-cosx)-(cosx/1+cosx)=2csc(squared)x-1
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Hello, kelsey3! 2. Verify the identity: . On the left side, get a common denominator and combine . . . . . . . . .
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