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Trigonometry Examples
Step 1
For any , vertical asymptotes occur at , where is an integer. Use the basic period for , , to find the vertical asymptotes for . Set the inside of the tangent function, , for equal to to find where the vertical asymptote occurs for .
Step 2
Step 2.1
Multiply both sides of the equation by .
Step 2.2
Simplify both sides of the equation.
Step 2.2.1
Simplify the left side.
Step 2.2.1.1
Cancel the common factor of .
Step 2.2.1.1.1
Cancel the common factor.
Step 2.2.1.1.2
Rewrite the expression.
Step 2.2.2
Simplify the right side.
Step 2.2.2.1
Simplify .
Step 2.2.2.1.1
Cancel the common factor of .
Step 2.2.2.1.1.1
Move the leading negative in into the numerator.
Step 2.2.2.1.1.2
Factor out of .
Step 2.2.2.1.1.3
Cancel the common factor.
Step 2.2.2.1.1.4
Rewrite the expression.
Step 2.2.2.1.2
Multiply by .
Step 3
Set the inside of the tangent function equal to .
Step 4
Step 4.1
Multiply both sides of the equation by .
Step 4.2
Simplify both sides of the equation.
Step 4.2.1
Simplify the left side.
Step 4.2.1.1
Cancel the common factor of .
Step 4.2.1.1.1
Cancel the common factor.
Step 4.2.1.1.2
Rewrite the expression.
Step 4.2.2
Simplify the right side.
Step 4.2.2.1
Cancel the common factor of .
Step 4.2.2.1.1
Factor out of .
Step 4.2.2.1.2
Cancel the common factor.
Step 4.2.2.1.3
Rewrite the expression.
Step 5
The basic period for will occur at , where and are vertical asymptotes.
Step 6
Step 6.1
is approximately which is positive so remove the absolute value
Step 6.2
Multiply the numerator by the reciprocal of the denominator.
Step 6.3
Move to the left of .
Step 7
The vertical asymptotes for occur at , , and every , where is an integer.
Step 8
Tangent only has vertical asymptotes.
No Horizontal Asymptotes
No Oblique Asymptotes
Vertical Asymptotes: where is an integer
Step 9