Trigonometry Examples

Find the Supplement pi/9
The supplement of is the angle that when added to forms a straight angle ( radians).
To write as a fraction with a common denominator, multiply by .
Write each expression with a common denominator of , by multiplying each by an appropriate factor of .
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Combine.
Multiply by .
Combine the numerators over the common denominator.
Simplify the numerator.
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Move to the left of .
Subtract from .
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