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Home > CCA2 > Chapter 7 > Lesson 7.1.6 > Problem 7-96
7-96.
Angle A is an obtuse angle with a sine of
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.