A.  π/4 ≤ θ ≤π/2

B.  - π/4 ≤ θ ≤0

C.  0≤ θ ≤ π/4

D.  π/2 ≤ θ ≤3π/4

1
Correct Answer :
0≤ θ ≤ π/4
Explanation :
No Explanation available for this question

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