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12 March, 17:09

An angle in standard position measures radians, and P (0, 1) is on the terminal side of the angle. What is the value of the cosine of this angle?

-1

0

1

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+1
Answers (1)
  1. 12 March, 21:00
    0
    Answer: 0

    Explanation:

    1) Cosine trigonometric ratio definition:

    cos (α) = adjacent-leg / hypotenuse

    2) P (0,1) ⇒

    - adyacent-leg = x-coordinate = 0

    - opposite-leg = y-coordinate = 1

    - hypotenuse = √[x² + y² ] = 1

    3) Therefore, cos (α) = 0 / 1 = 0
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