Calculus Examples

Evaluate the Limit ( limit as x approaches 0 of sin(3x)^2)/(x^2)
Step 1
Evaluate the limit.
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Step 1.1
Move the exponent from outside the limit using the Limits Power Rule.
Step 1.2
Move the limit inside the trig function because sine is continuous.
Step 1.3
Move the term outside of the limit because it is constant with respect to .
Step 2
Evaluate the limit of by plugging in for .
Step 3
Simplify the answer.
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Step 3.1
Simplify the numerator.
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Step 3.1.1
Multiply by .
Step 3.1.2
The exact value of is .
Step 3.1.3
Raising to any positive power yields .
Step 3.2
Divide by .