Question

If (a cos 01, a sin 01),(a cos 02, a sin 02) and
(a cos 63, a sin 03) represent the vertices of
an equilateral triangle inscribed in a circle,
then
(A) cos 01 + cos 02 + cos 3 = 0
(B) sin 01 + sin 02 + sin 03 = 0
(C) tan 01 + tan 02 + tan 03 = 0
(D) cot 01 + cot 02 + cot 03 = 0
А.​

Answer 1

Answer:

option a and b and c and d

Step-by-step explanation:

a is correct