CircleHard
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
More Circle Questions
For parabola y2 = 4ax consider three points A, B, C lying on it. If the centroid of ᐃABC is (h1, k1) & centroid of...Two circles x2 + y2 = 6 and x2 + y2 - 6x + 8 = 0 Then the equation of the circle through their points of intersection an...If the lengths of the tangents drawn from the point (1, 2) to the circles x2 + y2 + x + y − 4 = 0 and 3x2 + 3y2 &#...Let the tangents drawn to the circle, x2 + y2 = 16 from the point P(0, h) meet the x-axis at points A and B. If the area...The equation(s) of the tangent at the point (0, 0) to the circle, making intercepts of length 2a and 2b units on the co-...