Lim teds to 0Cos4x-cos7x divided by sin square x by 2

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Lim teds to 0

Cos4x-cos7x divided by sin square x by 2

Priyanshu Singh

Dec. 14, 2020, 7:16 p.m.

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Priyanshu Singh

Dec. 14, 2020, 7:16 p.m.

I don't know the answer

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