# Help me with trapezoidal approximation?

The trapezoidal approximation of ∫ sin x dx from 0 to pi using 4 equal subdivisions of the interval of integration is a) pi/2 b) pi c) (pi/4)(1+sqrt(2)) d)...

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The trapezoidal approximation of ∫ sin x dx from 0 to pi using 4 equal subdivisions of the interval of integration is a) pi/2 b) pi c) (pi/4)(1+sqrt(2)) d)...

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