Using Inverse Trigonometric Functions Worksheet Template Page 3

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Regents Exam Questions
Name: ________________________
A2.A.64: Using Inverse Trigonometric Functions 2
6 In the accompanying diagram, point P(0.6,−0.8) is on unit circle O. What is the value of θ, to the nearest degree?
7 In the accompanying diagram of circle O, point O is the origin, YO = 1 , JO = 1 , and TOY is a diameter. If the
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2
2
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coordinates of point J are
,
, how many degrees are in m∠JOY ?
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2
2
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3

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