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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22.
Trigonometric Ratios and Angle Measure
22.1
Angle in standard position
22.2
Coterminal angles
22.3
Reference angle
22.4
Find the exact value of trigonometric ratios
22.5
ASTC rule in trigonometry (All Students Take Calculus)
22.6
Unit circle
22.7
Converting between degrees and radians
22.8
Trigonometric ratios of angles in radians
22.9
Radian measure and arc length
GCE O-Level A Maths
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