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08-02-2022
Mathematics

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Find all solutions to cos(5x) – cos(3x) = sin(4x) on 0 < x < 27

Find all solutions to cos5x cos3x sin4x on 0 lt x lt 27 class=

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btsBlackpinckfan123 btsBlackpinckfan123

08-02-2022

Answer:

Sol(1) Solve ......(1) ......(2) ......(3) In equation 3 if we put a=4x & b=x, we get ......(4) Using equation 4&2,

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