Calculus Examples

Find the Derivative - d/dx f(x)=(cot(x))/(e^x)
Step 1
Differentiate using the Quotient Rule which states that is where and .
Step 2
Multiply the exponents in .
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Step 2.1
Apply the power rule and multiply exponents, .
Step 2.2
Move to the left of .
Step 3
The derivative of with respect to is .
Step 4
Differentiate using the Exponential Rule which states that is where =.
Step 5
Simplify.
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Step 5.1
Simplify the numerator.
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Step 5.1.1
Rewrite using the commutative property of multiplication.
Step 5.1.2
Reorder factors in .
Step 5.2
Factor out of .
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Step 5.2.1
Factor out of .
Step 5.2.2
Factor out of .
Step 5.2.3
Factor out of .
Step 5.3
Cancel the common factor of and .
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Step 5.3.1
Factor out of .
Step 5.3.2
Cancel the common factors.
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Step 5.3.2.1
Multiply by .
Step 5.3.2.2
Cancel the common factor.
Step 5.3.2.3
Rewrite the expression.
Step 5.3.2.4
Divide by .
Step 5.4
Apply the distributive property.
Step 5.5
Rewrite using the commutative property of multiplication.
Step 5.6
Rewrite using the commutative property of multiplication.