TÍNH TÍCH PHÂN $ I = \INT\LIMITS_0^\PI {{{\COS }^2}X.\SIN XDX} .$
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Level:
Medium
Question Types: Multiple choice
Answers:
- $ I = \\\frac{2}{3}$.
- $ I = \\\frac{3}{2}$.
- $ I = 0$.
- $ I = - \\\frac{2}{3}$.