Question

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Answer 1

+4•2/3•cos3х/2 инт,π/3. до. π/6=8/3• cos3/2•π/6-8/3• cos3/2•π/3=8/3• cosπ/4-8/3•cosπ/2=8/3•√2/2-8/3•0=4/3•√2