Calculus Examples

Find the Derivative - d/dx y=(sec(x)+tan(x))(sec(x)-tan(x))
Step 1
Differentiate using the Product Rule which states that is where and .
Step 2
By the Sum Rule, the derivative of with respect to is .
Step 3
The derivative of with respect to is .
Step 4
Since is constant with respect to , the derivative of with respect to is .
Step 5
The derivative of with respect to is .
Step 6
By the Sum Rule, the derivative of with respect to is .
Step 7
The derivative of with respect to is .
Step 8
The derivative of with respect to is .
Step 9
Simplify.
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Step 9.1
Simplify each term.
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Step 9.1.1
Expand using the FOIL Method.
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Step 9.1.1.1
Apply the distributive property.
Step 9.1.1.2
Apply the distributive property.
Step 9.1.1.3
Apply the distributive property.
Step 9.1.2
Simplify and combine like terms.
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Step 9.1.2.1
Simplify each term.
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Step 9.1.2.1.1
Multiply .
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Step 9.1.2.1.1.1
Raise to the power of .
Step 9.1.2.1.1.2
Raise to the power of .
Step 9.1.2.1.1.3
Use the power rule to combine exponents.
Step 9.1.2.1.1.4
Add and .
Step 9.1.2.1.2
Rewrite using the commutative property of multiplication.
Step 9.1.2.1.3
Multiply by by adding the exponents.
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Step 9.1.2.1.3.1
Move .
Step 9.1.2.1.3.2
Multiply by .
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Step 9.1.2.1.3.2.1
Raise to the power of .
Step 9.1.2.1.3.2.2
Use the power rule to combine exponents.
Step 9.1.2.1.3.3
Add and .
Step 9.1.2.1.4
Multiply .
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Step 9.1.2.1.4.1
Raise to the power of .
Step 9.1.2.1.4.2
Raise to the power of .
Step 9.1.2.1.4.3
Use the power rule to combine exponents.
Step 9.1.2.1.4.4
Add and .
Step 9.1.2.1.5
Rewrite using the commutative property of multiplication.
Step 9.1.2.2
Reorder the factors of .
Step 9.1.2.3
Subtract from .
Step 9.1.2.4
Subtract from .
Step 9.1.3
Factor out of .
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Step 9.1.3.1
Factor out of .
Step 9.1.3.2
Factor out of .
Step 9.1.3.3
Factor out of .
Step 9.1.4
Factor out of .
Step 9.1.5
Factor out of .
Step 9.1.6
Factor out of .
Step 9.1.7
Apply pythagorean identity.
Step 9.1.8
Multiply by .
Step 9.1.9
Move to the left of .
Step 9.1.10
Rewrite as .
Step 9.1.11
Expand using the FOIL Method.
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Step 9.1.11.1
Apply the distributive property.
Step 9.1.11.2
Apply the distributive property.
Step 9.1.11.3
Apply the distributive property.
Step 9.1.12
Simplify and combine like terms.
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Step 9.1.12.1
Simplify each term.
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Step 9.1.12.1.1
Multiply .
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Step 9.1.12.1.1.1
Raise to the power of .
Step 9.1.12.1.1.2
Raise to the power of .
Step 9.1.12.1.1.3
Use the power rule to combine exponents.
Step 9.1.12.1.1.4
Add and .
Step 9.1.12.1.2
Multiply by by adding the exponents.
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Step 9.1.12.1.2.1
Multiply by .
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Step 9.1.12.1.2.1.1
Raise to the power of .
Step 9.1.12.1.2.1.2
Use the power rule to combine exponents.
Step 9.1.12.1.2.2
Add and .
Step 9.1.12.1.3
Multiply .
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Step 9.1.12.1.3.1
Raise to the power of .
Step 9.1.12.1.3.2
Raise to the power of .
Step 9.1.12.1.3.3
Use the power rule to combine exponents.
Step 9.1.12.1.3.4
Add and .
Step 9.1.12.2
Reorder the factors of .
Step 9.1.12.3
Subtract from .
Step 9.1.12.4
Add and .
Step 9.1.13
Factor out of .
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Step 9.1.13.1
Factor out of .
Step 9.1.13.2
Factor out of .
Step 9.1.13.3
Factor out of .
Step 9.1.14
Apply pythagorean identity.
Step 9.1.15
Multiply by .
Step 9.2
Add and .