Enter a problem...
Trigonometry Examples
Step 1
Rewrite the equation as .
Step 2
Multiply both sides of the equation by .
Step 3
Step 3.1
Simplify the left side.
Step 3.1.1
Cancel the common factor of .
Step 3.1.1.1
Cancel the common factor.
Step 3.1.1.2
Rewrite the expression.
Step 3.2
Simplify the right side.
Step 3.2.1
Simplify .
Step 3.2.1.1
Apply the reference angle by finding the angle with equivalent trig values in the first quadrant. Make the expression negative because sine is negative in the fourth quadrant.
Step 3.2.1.2
The exact value of is .
Step 3.2.1.3
Cancel the common factor of .
Step 3.2.1.3.1
Move the leading negative in into the numerator.
Step 3.2.1.3.2
Factor out of .
Step 3.2.1.3.3
Cancel the common factor.
Step 3.2.1.3.4
Rewrite the expression.
Step 3.2.1.4
Multiply by .
Step 4
The result can be shown in multiple forms.
Exact Form:
Decimal Form: