Calculus Examples

Evaluate the Integral integral from 0 to pi of x+sin(x) with respect to x
Step 1
Split the single integral into multiple integrals.
Step 2
By the Power Rule, the integral of with respect to is .
Step 3
The integral of with respect to is .
Step 4
Simplify the answer.
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Step 4.1
Combine and .
Step 4.2
Substitute and simplify.
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Step 4.2.1
Evaluate at and at .
Step 4.2.2
Simplify.
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Step 4.2.2.1
Combine and .
Step 4.2.2.2
Raising to any positive power yields .
Step 4.2.2.3
Multiply by .
Step 4.2.2.4
Subtract from .
Step 4.2.2.5
Multiply by .
Step 4.2.2.6
Multiply by .
Step 4.3
The exact value of is .
Step 4.4
Simplify.
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Step 4.4.1
Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Make the expression negative because cosine is negative in the second quadrant.
Step 4.4.2
The exact value of is .
Step 4.4.3
Multiply by .
Step 4.4.4
Multiply by .
Step 4.4.5
Add and .
Step 5
The result can be shown in multiple forms.
Exact Form:
Decimal Form: