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Trigonometry Examples
Step 1
Rewrite the equation as .
Step 2
Step 2.1
Rewrite as an equation.
Step 2.2
Rewrite in exponential form using the definition of a logarithm. If and are positive real numbers and does not equal , then is equivalent to .
Step 2.3
Create equivalent expressions in the equation that all have equal bases.
Step 2.4
Since the bases are the same, the two expressions are only equal if the exponents are also equal.
Step 2.5
The variable is equal to .
Step 3
Step 3.1
Subtract from both sides of the equation.
Step 3.2
Subtract from .
Step 4
Step 4.1
Divide each term in by .
Step 4.2
Simplify the left side.
Step 4.2.1
Cancel the common factor of .
Step 4.2.1.1
Cancel the common factor.
Step 4.2.1.2
Divide by .
Step 4.3
Simplify the right side.
Step 4.3.1
Move the negative in front of the fraction.
Step 5
The result can be shown in multiple forms.
Exact Form:
Decimal Form: