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4 votes
Trigonometry

Reference Angles and Triangles
If θ is an acute angle in standard position and B (-3, 4) is a point on the terminal side of the angle, what is the value of sin θ?

1 Answer

5 votes

Answer:

⅘ or 0.8

Explanation:

Hypotenuse² = 3² + 4²

Hypotenuse = 5

Sin(θ) = 4/5

User Mike Szyndel
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