Calculus Examples

Find the Derivative - d/dx (sin(2x))/(cos(x))
Step 1
Rewrite as a product.
Step 2
Write as a fraction with denominator .
Step 3
Simplify.
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Step 3.1
Divide by .
Step 3.2
Convert from to .
Step 4
Differentiate using the Product Rule which states that is where and .
Step 5
The derivative of with respect to is .
Step 6
Differentiate using the chain rule, which states that is where and .
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Step 6.1
To apply the Chain Rule, set as .
Step 6.2
The derivative of with respect to is .
Step 6.3
Replace all occurrences of with .
Step 7
Differentiate.
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Step 7.1
Since is constant with respect to , the derivative of with respect to is .
Step 7.2
Differentiate using the Power Rule which states that is where .
Step 7.3
Simplify the expression.
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Step 7.3.1
Multiply by .
Step 7.3.2
Move to the left of .
Step 8
Simplify.
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Step 8.1
Reorder terms.
Step 8.2
Simplify each term.
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Step 8.2.1
Rewrite in terms of sines and cosines.
Step 8.2.2
Combine and .
Step 8.2.3
Apply the sine double-angle identity.
Step 8.2.4
Cancel the common factor of .
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Step 8.2.4.1
Cancel the common factor.
Step 8.2.4.2
Divide by .
Step 8.2.5
Rewrite in terms of sines and cosines.
Step 8.2.6
Multiply .
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Step 8.2.6.1
Combine and .
Step 8.2.6.2
Combine and .
Step 8.2.6.3
Raise to the power of .
Step 8.2.6.4
Raise to the power of .
Step 8.2.6.5
Use the power rule to combine exponents.
Step 8.2.6.6
Add and .
Step 8.2.7
Rewrite in terms of sines and cosines.
Step 8.2.8
Multiply .
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Step 8.2.8.1
Combine and .
Step 8.2.8.2
Combine and .
Step 8.3
Simplify each term.
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Step 8.3.1
Factor out of .
Step 8.3.2
Separate fractions.
Step 8.3.3
Convert from to .
Step 8.3.4
Divide by .
Step 8.3.5
Separate fractions.
Step 8.3.6
Rewrite as a product.
Step 8.3.7
Write as a fraction with denominator .
Step 8.3.8
Simplify.
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Step 8.3.8.1
Divide by .
Step 8.3.8.2
Convert from to .
Step 8.3.9
Divide by .