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7-96.

Angle A is an obtuse angle with a sine of . What is the tangent of angle A? Homework Help ✎

Draw this angle in a unit circle. In which quadrant(s) is sine positive?

Find the missing side of the triangle with the Pythagorean Theorem.
Remember that in a unit circle some sides are negative.

Tangent is .

Your answer should be negative.

unit circle