CircleMedium
Question
If (a cos θi, a sin θi)i = 1, 2, 3 represent the vertices of an equilateral triangle inscribed in a circle, then -
Options
A.cos θ1 + cos θ2 + cos θ3 = 0
B.sin θ1 + sin θ2 + sin θ3 ≠ 0
C.tan θ1 + tan θ2 + tan θ3 = 0
D.cotθ1 + cot θ2 + cot θ3 = 0
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