Sine, Cosine, And Tangent Of The Unit Circle

10 Questions | Total Attempts: 142

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Sine, Cosine, And Tangent Of The Unit Circle

With this assessment test, you will figure out how the trigonometric ratios are reached out to all real numbers using algebra or polynomial math.


Questions and Answers
  • 1. 
    Which is a main function used in trigonometry?
    • A. 

      Sine

    • B. 

      Cosec

    • C. 

      Sectan

    • D. 

      Tanec

  • 2. 
    The ratio of the length of the side that is opposite an angle to the length of the longest side of the triangle (the hypotenuse) is...   
    • A. 

      The sine of the angle

    • B. 

      Square of the angle

    • C. 

      Ratio

    • D. 

      Square root

  • 3. 
    What is used to understand sines and cosines of angles found in right triangles?
    • A. 

      Angle

    • B. 

      Unit circle

    • C. 

      Line

    • D. 

      Arc

  • 4. 
    At what point is the origin of the unit circle located?
    • A. 

      Radius

    • B. 

      Outside

    • C. 

      Inside

    • D. 

      Centre

  • 5. 
     A circle with a radius of one is referred to as... 
    • A. 

      Circumference

    • B. 

      Arc

    • C. 

      Unit circle

    • D. 

      Semicircle

  • 6. 
    What is the circumference of the unit circle?
    • A. 

      2pi

    • B. 

      Pi

    • C. 

      3pi

    • D. 

      1/2pi

  • 7. 
    The radian measure of the arc on a circle corresponding to a given value of tangent is referred to as...   
    • A. 

      Arctan

    • B. 

      Arc

    • C. 

      Segment

    • D. 

      Quadrant

  • 8. 
    What is the reciprocal of the tangent function?
    • A. 

      Sec

    • B. 

      Cotangent

    • C. 

      Tansec

    • D. 

      Cosec

  • 9. 
    What is the inverse of the tangent function?
    • A. 

      Sine

    • B. 

      Cosine

    • C. 

      Secant

    • D. 

      Arctangent

  • 10. 
    What is the complementary trigonometric function of the sine?
    • A. 

      Sec

    • B. 

      Tangent

    • C. 

      Cosine

    • D. 

      Tan