Mathematics, 20.07.2019 01:00, tammycute01

Use a sum or difference formula to find the exact value of sin 11pi/12 cos 2pi/3 - cos 11pi/12 sin2pi/3

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Use a sum or difference formula to find the exact value of sin 11pi/12 cos 2pi/3 - cos 11pi/12 sin2...

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