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Trigonometry Examples
Step 1
Step 1.1
Rewrite as .
Step 1.2
Expand using the FOIL Method.
Step 1.2.1
Apply the distributive property.
Step 1.2.2
Apply the distributive property.
Step 1.2.3
Apply the distributive property.
Step 1.3
Simplify and combine like terms.
Step 1.3.1
Simplify each term.
Step 1.3.1.1
Multiply by .
Step 1.3.1.2
Move to the left of .
Step 1.3.1.3
Multiply by .
Step 1.3.2
Subtract from .
Step 1.4
Apply the distributive property.
Step 1.5
Simplify.
Step 1.5.1
Multiply by by adding the exponents.
Step 1.5.1.1
Use the power rule to combine exponents.
Step 1.5.1.2
Add and .
Step 1.5.2
Multiply by by adding the exponents.
Step 1.5.2.1
Move .
Step 1.5.2.2
Multiply by .
Step 1.5.2.2.1
Raise to the power of .
Step 1.5.2.2.2
Use the power rule to combine exponents.
Step 1.5.2.3
Add and .
Step 2
Step 2.1
Rewrite as .
Step 2.2
Expand using the FOIL Method.
Step 2.2.1
Apply the distributive property.
Step 2.2.2
Apply the distributive property.
Step 2.2.3
Apply the distributive property.
Step 2.3
Simplify and combine like terms.
Step 2.3.1
Simplify each term.
Step 2.3.1.1
Multiply by .
Step 2.3.1.2
Multiply by .
Step 2.3.1.3
Multiply by .
Step 2.3.1.4
Multiply by .
Step 2.3.2
Add and .
Step 3
Graph each side of the equation. The solution is the x-value of the point of intersection.
Step 4
The result can be shown in multiple forms.
Exact Form:
Decimal Form:
Step 5