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Apply the trapezium rule using three intervals to estimate the value of $\int_{0}^{\frac{\pi}{4}} \sqrt{1-\tan x}\, dx$, giving your answer correct to $3$ decimal places.
Mathematics 9709 · AS & A Level · Numerical solution of equations
Numerical solution of equations — practice question
Worked solution & mark scheme
This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “States or implies ordinates $1$, $0.8556\ldots$, $0.6501\ldots$, $0$” …
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