Calculus Examples

Evaluate the Limit ( limit as x approaches 0 of tan(x)-x)/(x^3)
Step 1
Split the limit using the Sum of Limits Rule on the limit as approaches .
Step 2
Move the limit inside the trig function because tangent is continuous.
Step 3
Evaluate the limits by plugging in for all occurrences of .
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Step 3.1
Evaluate the limit of by plugging in for .
Step 3.2
Evaluate the limit of by plugging in for .
Step 4
Simplify the answer.
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Step 4.1
Simplify the numerator.
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Step 4.1.1
The exact value of is .
Step 4.1.2
Add and .
Step 4.2
Divide by .