Question 1119316
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Your function is (if I read your writing correctly)


f(x) = {{{(7/4)*sin(x)*cos(x)}}} = {{{(7/8)*(2*sin(x)*cos(x))}}} = {{{(7/8)*sin(2x)}}}.


The function  sin(2x)  is an odd function of x;  so, the original function f(x) is an odd function.
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