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Trigonometry Examples
Step 1
Step 1.1
Subtract from both sides of the equation.
Step 1.2
Subtract from .
Step 2
To remove the radical on the left side of the equation, square both sides of the equation.
Step 3
Step 3.1
Use to rewrite as .
Step 3.2
Simplify the left side.
Step 3.2.1
Simplify .
Step 3.2.1.1
Multiply the exponents in .
Step 3.2.1.1.1
Apply the power rule and multiply exponents, .
Step 3.2.1.1.2
Cancel the common factor of .
Step 3.2.1.1.2.1
Cancel the common factor.
Step 3.2.1.1.2.2
Rewrite the expression.
Step 3.2.1.2
Simplify.
Step 3.3
Simplify the right side.
Step 3.3.1
Raise to the power of .
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 5
Exclude the solutions that do not make true.