Which of the following graph indicates the graph of {(sin t, cos t):- π/2 ≤ t ≤ 0} in xy-plane ?

Answer : C. b

Which of the following graph indicates the graph of {(sin t, cos t):- π/2 ≤ t ≤ 0} in xy-plane ?

Plane Geometry

A. d

B. c

C. b

D. a

Answer : C. b

Explanation:

    • When t = -90 then (sin t, cos t) = (-1,0)
    • When t=0 then (sin t, cos t) = (0,1)
    Plot above two points in x-y plane.
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