Calculus Examples

Evaluate the Limit limit as x approaches pi of 4sin(x+sin(x))
Step 1
Move the term outside of the limit because it is constant with respect to .
Step 2
Move the limit inside the trig function because sine is continuous.
Step 3
Split the limit using the Sum of Limits Rule on the limit as approaches .
Step 4
Move the limit inside the trig function because sine is continuous.
Step 5
Evaluate the limits by plugging in for all occurrences of .
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Step 5.1
Evaluate the limit of by plugging in for .
Step 5.2
Evaluate the limit of by plugging in for .
Step 6
Simplify the answer.
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Step 6.1
Simplify each term.
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Step 6.1.1
Apply the reference angle by finding the angle with equivalent trig values in the first quadrant.
Step 6.1.2
The exact value of is .
Step 6.2
Add and .
Step 6.3
Apply the reference angle by finding the angle with equivalent trig values in the first quadrant.
Step 6.4
The exact value of is .
Step 6.5
Multiply by .