( 5m + 3m) + cos(5m - 3m) ]-1/2cos2m + 1/2cos2m
1/2cos2m - 1/2cos8m
Mathematics, 05.07.2019 08:10 webbjalia04
Express cos5mcos(-3m) as a sum or difference.
-1/2cos2m + 1/2cos2m
1/2cos2m - 1/2cos8m
1/2cos8m - 1/2cos2m
1/2cos8m + 1/2cos2m
Answers: 1
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You know the right answer?
Express cos5mcos(-3m) as a sum or difference.
-1/2cos2m + 1/2cos2m
1/2cos2m - 1/2cos8m
-1/2cos2m + 1/2cos2m
1/2cos2m - 1/2cos8m
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