If 2tan²01 tan202 tan203 + tan20 tan202 + tan202 tan 03 + tan203 tan201 =1 then which of the following
relations hold good?
(A) sin201 + sin202 + sin203 = 1
(B) cos201 + cos202 + cos203 = 1
(C) sin201 + sin202 + sin203 = 2
(D) cos201 + cos20 + cos203 = -1
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I am student in class 9th
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