Question: answer Which expression is equivalent to cos 1350 cos 30 - sin 1350 sin 30? O a ) cos 1050 O b) cos(1050 + 30)

answer

answer Which expression is equivalent to cos 1350
Which expression is equivalent to cos 1350 cos 30 - sin 1350 sin 30? O a ) cos 1050 O b) cos(1050 + 30) c) -cos 150 O d) -cos 1050

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