Calculus Examples

Evaluate the Limit limit as x approaches 0 of (tan(7x))/(sin(5x))
Step 1
Apply trigonometric identities.
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Step 1.1
Rewrite in terms of sines and cosines.
Step 1.2
Rewrite as a product.
Step 1.3
Simplify.
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Step 1.3.1
Convert from to .
Step 1.3.2
Convert from to .
Step 2
Consider the left sided limit.
Step 3
Make a table to show the behavior of the function as approaches from the left.
Step 4
As the values approach , the function values approach . Thus, the limit of as approaches from the left is .
Step 5
Consider the right sided limit.
Step 6
Make a table to show the behavior of the function as approaches from the right.
Step 7
As the values approach , the function values approach . Thus, the limit of as approaches from the right is .