Calculus Examples

Evaluate the Limit ( limit as x approaches 0 of tan(3x))/(tan(5x))
Step 1
Evaluate the limit.
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Step 1.1
Move the limit inside the trig function because tangent is continuous.
Step 1.2
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
Rewrite in terms of sines and cosines.
Step 3.2
Rewrite in terms of sines and cosines.
Step 3.3
Multiply by the reciprocal of the fraction to divide by .
Step 3.4
Simplify.
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Step 3.4.1
Convert from to .
Step 3.4.2
Convert from to .
Step 3.5
Multiply by .
Step 3.6
The exact value of is .
Step 3.7
Multiply by .