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Trigonometry Examples
Step 1
Step 1.1
Divide each term in by and simplify.
Step 1.1.1
Divide each term in by .
Step 1.1.2
Simplify the left side.
Step 1.1.2.1
Cancel the common factor of .
Step 1.1.2.1.1
Cancel the common factor.
Step 1.1.2.1.2
Rewrite the expression.
Step 1.1.2.2
Cancel the common factor of .
Step 1.1.2.2.1
Cancel the common factor.
Step 1.1.2.2.2
Divide by .
Step 1.2
Find where the expression is undefined.
Step 1.3
Evaluate to find the horizontal asymptote.
Step 1.3.1
Move the term outside of the limit because it is constant with respect to .
Step 1.3.2
Since its numerator approaches a real number while its denominator is unbounded, the fraction approaches .
Step 1.3.3
Multiply by .
Step 1.4
List the horizontal asymptotes:
Step 1.5
No oblique asymptotes are present for logarithmic and trigonometric functions.
No Oblique Asymptotes
Step 1.6
This is the set of all asymptotes.
Vertical Asymptotes:
Horizontal Asymptotes:
Vertical Asymptotes:
Horizontal Asymptotes:
Step 2
Step 2.1
Replace the variable with in the expression.
Step 2.2
Simplify the result.
Step 2.2.1
Simplify each term.
Step 2.2.1.1
Simplify by moving inside the logarithm.
Step 2.2.1.2
Raise to the power of .
Step 2.2.2
The final answer is .
Step 2.3
Convert to decimal.
Step 3
The log function can be graphed using the vertical asymptote at and the points .
Vertical Asymptote:
Step 4