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Trigonometric Functions

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  • What is the exact value of the function?
    2√3/3
  • What is the exact value of the function?
    √3
  • What two greek words did Trigonometry come from?
    trigonon and metron
  • The study of relationships between the sides and angles of a triangle
    Trigonometry
  • What is 1 riad in degrees?
    57.3 degrees
  • This is the angle that has its vertex at the center of the circle
    Central Angle
  • What is the exact value of the function?
    -√3/2
  • What is the exact value of the function?
    √3/3
  • An acute angle that has its initial side on the positive x-axis and terminal side in the first quadrant.
    Reference Angle
  • What is the exact value of the function?
    √3
  • Two angles that are in standard position are called?
    Coterminal Angles
  • If the ray that rotates is called the terminal side, what is the ray that stays stationary?
    Initial Side
  • What is the exact value of the function?
    1
  • it is formed by two rays with a common endpoint called a vertex
    Angles
  • What is the equation of the Unit Circle?
  • What is the exact value of the function?
    2√3/3
  • Does tan90 have a value? Yes or No?
    No
  • if tanθ = √3/3, what is cotθ?
    √3
  • What is the Pythagorean Theorem?
    a^2 + b^2 = c^2
  • What is the exact value of the function?
    0
  • What is the exact value of the function?
    -√2/2
  • What is the exact value of the function?
    -2
  • What is the exact value of the function?
    1/2
  • What is the exact value of the function?
    Undefined