Question: simplify each expression (please show work!) 13. -- sin 3y cos(5y) 1Svzos cos O +sin-stn

13. -- sin 3y cos(5y) 1Svzos cos O +sin-stn

simplify each expression (please show work!)

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13. -- sin 3y cos(5y) 1Svzos cos O +sin-stn

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