Calculus Examples

Evaluate the Integral integral from 0 to pi/3 of tan(x)^5sec(x)^4 with respect to x
Step 1
Simplify the expression.
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Step 1.1
Rewrite as plus
Step 1.2
Rewrite as .
Step 2
Using the Pythagorean Identity, rewrite as .
Step 3
Let . Then , so . Rewrite using and .
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Step 3.1
Let . Find .
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Step 3.1.1
Differentiate .
Step 3.1.2
The derivative of with respect to is .
Step 3.2
Substitute the lower limit in for in .
Step 3.3
The exact value of is .
Step 3.4
Substitute the upper limit in for in .
Step 3.5
The exact value of is .
Step 3.6
The values found for and will be used to evaluate the definite integral.
Step 3.7
Rewrite the problem using , , and the new limits of integration.
Step 4
Multiply .
Step 5
Simplify.
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Step 5.1
Multiply by .
Step 5.2
Multiply by by adding the exponents.
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Step 5.2.1
Use the power rule to combine exponents.
Step 5.2.2
Add and .
Step 6
Split the single integral into multiple integrals.
Step 7
By the Power Rule, the integral of with respect to is .
Step 8
By the Power Rule, the integral of with respect to is .
Step 9
Combine and .
Step 10
Substitute and simplify.
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Step 10.1
Evaluate at and at .
Step 10.2
Simplify.
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Step 10.2.1
Rewrite as .
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Step 10.2.1.1
Use to rewrite as .
Step 10.2.1.2
Apply the power rule and multiply exponents, .
Step 10.2.1.3
Combine and .
Step 10.2.1.4
Cancel the common factor of and .
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Step 10.2.1.4.1
Factor out of .
Step 10.2.1.4.2
Cancel the common factors.
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Step 10.2.1.4.2.1
Factor out of .
Step 10.2.1.4.2.2
Cancel the common factor.
Step 10.2.1.4.2.3
Rewrite the expression.
Step 10.2.1.4.2.4
Divide by .
Step 10.2.2
Raise to the power of .
Step 10.2.3
Combine and .
Step 10.2.4
Cancel the common factor of and .
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Step 10.2.4.1
Factor out of .
Step 10.2.4.2
Cancel the common factors.
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Step 10.2.4.2.1
Factor out of .
Step 10.2.4.2.2
Cancel the common factor.
Step 10.2.4.2.3
Rewrite the expression.
Step 10.2.5
Rewrite as .
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Step 10.2.5.1
Use to rewrite as .
Step 10.2.5.2
Apply the power rule and multiply exponents, .
Step 10.2.5.3
Combine and .
Step 10.2.5.4
Cancel the common factor of and .
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Step 10.2.5.4.1
Factor out of .
Step 10.2.5.4.2
Cancel the common factors.
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Step 10.2.5.4.2.1
Factor out of .
Step 10.2.5.4.2.2
Cancel the common factor.
Step 10.2.5.4.2.3
Rewrite the expression.
Step 10.2.5.4.2.4
Divide by .
Step 10.2.6
Raise to the power of .
Step 10.2.7
Combine and .
Step 10.2.8
To write as a fraction with a common denominator, multiply by .
Step 10.2.9
Write each expression with a common denominator of , by multiplying each by an appropriate factor of .
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Step 10.2.9.1
Multiply by .
Step 10.2.9.2
Multiply by .
Step 10.2.10
Combine the numerators over the common denominator.
Step 10.2.11
Simplify the numerator.
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Step 10.2.11.1
Multiply by .
Step 10.2.11.2
Add and .
Step 10.2.12
Raising to any positive power yields .
Step 10.2.13
Multiply by .
Step 10.2.14
Raising to any positive power yields .
Step 10.2.15
Multiply by .
Step 10.2.16
Add and .
Step 10.2.17
Multiply by .
Step 10.2.18
Add and .
Step 11
The result can be shown in multiple forms.
Exact Form:
Decimal Form:
Mixed Number Form: