Pre Calculus

Determine the quadrant in which an angle, θ, lies if θ = 5.40 radians.
a. 4th quadrant
b. 3rd quadrant
c. 2nd quadrant
d. 1st quadrant

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  1. 5.4 radians
    coterminal with 5.4 - 2π
    = -.883.. radians, which is in the IV th

    or if you want to "think" in degrees

    1 rad = 180/π °
    5.4 rad = 309.39.. ° ----> 4th

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