Question

In: Advanced Math

Use (a) the Trapezoidal Rule, (b) the Midpoint Rule, and (c) Simpson’s Rule to approximate the...

Use (a) the Trapezoidal Rule, (b) the Midpoint Rule, and (c) Simpson’s Rule to approximate the given integral with the specific value of n. (Round your answer to six decimal places).  
13 sin (?) / ? ?? , ? = 4
Please show all work.

Solutions

Expert Solution

Here we take the partition {1,(3/2),2,(5/2),3} of [1,3] to proceed.

Approximation by Trapezoidal Rule for n=4

By trapezoidal rule we have

Here

Where (The width of the sub-intervels)

  

Approximation by Mid-point rule for n=4

By mid point rule

Where are the mid points of the subintervel.
Here ,

where and

So,  

  

Approximation by Simpson’s Rule for n=4

By simpson's rule,

Here

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3. sin(t) -dt = T4 t (f(1)+253 +28(2) +2013) + f(3))

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sin(t) -dt = T1 1 sin(1) 4 1 sin() + 2 + 2 JI sin(2) 2 sin) sin(3) + 2 + 3 t

0.034901

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