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Calculus Examples
Step 1
Step 1.1
Split the limit using the Sum of Limits Rule on the limit as approaches .
Step 1.2
Evaluate the limit of which is constant as approaches .
Step 1.3
Move the limit inside the trig function because cosine is continuous.
Step 2
Evaluate the limit of by plugging in for .
Step 3
Step 3.1
Simplify the numerator.
Step 3.1.1
The exact value of is .
Step 3.1.2
Multiply by .
Step 3.1.3
Subtract from .
Step 3.2
Separate fractions.
Step 3.3
Convert from to .
Step 3.4
Divide by .
Step 3.5
Multiply by .