1.

A function y=f(x) satisfies the condition f′(x)sinx+f(x)cosx=1,f(x) being bounded when x→0. if I=∫π20f(x)dx, then

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A function y=f(x) satisfies the condition f(x)sinx+f(x)cosx=1,f(x) being bounded when x0. if I=π20f(x)dx, then





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