Angle in standard position

Angle in standard position

Basic concepts: Cartesian plane, Draw on coordinate planes,
Related concepts: Converting between degrees and radians, Trigonometric ratios of angles in radians,

Lessons

POSITIVE angle: counter-clockwise rotation starting at the x-axis.
NEGATIVE angle: clockwise rotation starting at the x-axis.
  • 1.
    Standard Angles
    i)
    Sketch each angle in standard position and indicate the terminal arm
    ii) Which quadrant does the angle terminate in?
    a)
    30°

    b)
    100°

    c)
    250°

    d)
    315°

    e)
    -60°

    f)
    -140°

    g)
    -570°

    h)
    -1000°

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2.
Trigonometric Ratios and Angle Measure
2.1
Angle in standard position
2.2
Coterminal angles
2.3
Reference angle
2.4
Find the exact value of trigonometric ratios
2.5
ASTC rule in trigonometry (All Students Take Calculus)
2.6
Unit circle
2.7
Converting between degrees and radians
2.8
Trigonometric ratios of angles in radians
2.9
Radian measure and arc length
2.10
Law of sines
2.11
Law of cosines
2.12
Applications of the sine law and cosine law
Trigonometry
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