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please answer correctly so i can study these
Question 7 Given sin 5x-sin 4x=0 Find the solution that corresponds to the positive k-1 solution for the cosine part. Questio
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SOIN Sin (sx) sincux) sin (A) - Sin(B) 2 cos (A+B) sin(A-B a cos = (at) sin 7 2 Cos (as) sin (3) T x = cos (9x) Put = = 9 4K

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please answer correctly so i can study these Question 7 Given sin 5x-sin 4x=0 Find the...
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