Hello i need your help please with this exercice
1) transform the following expressions into product
F(x)=sinx+sin2x+sin3x+sin4x
G(X)=cosx+cos2x+cos3x+cos4x
2) prouve that
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Newton's fourth law of motion
Every book continues to be in state of rest and covered with dust until and unless internal and external exam appears and the speed of the page turning is directly proportional to the syllabus to be covered and tension in mind remain constant.
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