Calculus Examples

Find the Derivative - d/dx y = natural log of |sec(x)|
Step 1
Differentiate using the chain rule, which states that is where and .
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Step 1.1
To apply the Chain Rule, set as .
Step 1.2
The derivative of with respect to is .
Step 1.3
Replace all occurrences of with .
Step 2
Differentiate using the chain rule, which states that is where and .
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Step 2.1
To apply the Chain Rule, set as .
Step 2.2
The derivative of with respect to is .
Step 2.3
Replace all occurrences of with .
Step 3
Multiply by .
Step 4
To multiply absolute values, multiply the terms inside each absolute value.
Step 5
Raise to the power of .
Step 6
Raise to the power of .
Step 7
Use the power rule to combine exponents.
Step 8
Add and .
Step 9
The derivative of with respect to is .
Step 10
Combine and .
Step 11
Raise to the power of .
Step 12
Raise to the power of .
Step 13
Use the power rule to combine exponents.
Step 14
Add and .
Step 15
Combine and .
Step 16
Simplify.
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Step 16.1
Remove non-negative terms from the absolute value.
Step 16.2
Cancel the common factor of .
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Step 16.2.1
Cancel the common factor.
Step 16.2.2
Divide by .