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Trigonometry Examples
Step 1
Step 1.1
To find the x-intercept(s), substitute in for and solve for .
Step 1.2
Solve the equation.
Step 1.2.1
Simplify .
Step 1.2.1.1
Simplify each term.
Step 1.2.1.1.1
Raising to any positive power yields .
Step 1.2.1.1.2
Multiply by .
Step 1.2.1.2
Add and .
Step 1.2.2
Multiply both sides of the equation by .
Step 1.2.3
Simplify both sides of the equation.
Step 1.2.3.1
Simplify the left side.
Step 1.2.3.1.1
Cancel the common factor of .
Step 1.2.3.1.1.1
Cancel the common factor.
Step 1.2.3.1.1.2
Rewrite the expression.
Step 1.2.3.2
Simplify the right side.
Step 1.2.3.2.1
Multiply by .
Step 1.2.4
Take the specified root of both sides of the equation to eliminate the exponent on the left side.
Step 1.2.5
Simplify .
Step 1.2.5.1
Rewrite as .
Step 1.2.5.2
Pull terms out from under the radical, assuming positive real numbers.
Step 1.2.6
The complete solution is the result of both the positive and negative portions of the solution.
Step 1.2.6.1
First, use the positive value of the to find the first solution.
Step 1.2.6.2
Next, use the negative value of the to find the second solution.
Step 1.2.6.3
The complete solution is the result of both the positive and negative portions of the solution.
Step 1.3
x-intercept(s) in point form.
x-intercept(s):
x-intercept(s):
Step 2
Step 2.1
To find the y-intercept(s), substitute in for and solve for .
Step 2.2
Solve the equation.
Step 2.2.1
Simplify .
Step 2.2.1.1
Simplify each term.
Step 2.2.1.1.1
Raising to any positive power yields .
Step 2.2.1.1.2
Divide by .
Step 2.2.1.2
Subtract from .
Step 2.2.2
Divide each term in by and simplify.
Step 2.2.2.1
Divide each term in by .
Step 2.2.2.2
Simplify the left side.
Step 2.2.2.2.1
Dividing two negative values results in a positive value.
Step 2.2.2.2.2
Divide by .
Step 2.2.2.3
Simplify the right side.
Step 2.2.2.3.1
Divide by .
Step 2.2.3
Take the specified root of both sides of the equation to eliminate the exponent on the left side.
Step 2.2.4
Rewrite as .
Step 2.2.5
The complete solution is the result of both the positive and negative portions of the solution.
Step 2.2.5.1
First, use the positive value of the to find the first solution.
Step 2.2.5.2
Next, use the negative value of the to find the second solution.
Step 2.2.5.3
The complete solution is the result of both the positive and negative portions of the solution.
Step 2.3
To find the y-intercept(s), substitute in for and solve for .
y-intercept(s):
y-intercept(s):
Step 3
List the intersections.
x-intercept(s):
y-intercept(s):
Step 4