Calculus Examples

Find the Derivative - d/dx cos(x)sec(x)
Step 1
Differentiate using the Product Rule which states that is where and .
Step 2
The derivative of with respect to is .
Step 3
The derivative of with respect to is .
Step 4
Simplify.
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Step 4.1
Reorder terms.
Step 4.2
Simplify each term.
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Step 4.2.1
Rewrite in terms of sines and cosines, then cancel the common factors.
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Step 4.2.1.1
Reorder and .
Step 4.2.1.2
Rewrite in terms of sines and cosines.
Step 4.2.1.3
Cancel the common factors.
Step 4.2.2
Multiply by .
Step 4.2.3
Rewrite in terms of sines and cosines.
Step 4.2.4
Rewrite in terms of sines and cosines.
Step 4.2.5
Combine and .
Step 4.3
Subtract from .