Express cos7mcos3m as a sum or difference.
Express cos7mcos3m as a sum or difference.
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Mathematics, 01.02.2021 22:40 christson805
Express cos7mcos3m as a sum or difference.
Express cos7mcos3m as a sum or difference.
1/2 cos4 m - 1/2 cos10 m
1/2 cos4 m + 1/2 cos10 m
1/2 cos2 m + 1/2 cos5 m
1/2 cos10 m - 1/2 cos4 m
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