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0 votes
2.3k views
in Trigonometry by (53.5k points)

In any ΔABC, which is not right angled, ∑cos A B cosec cosecC is

(A) constant 

(B) less than 1 

(C) greater than 2 

(D) None of these

1 Answer

+1 vote
by (53.3k points)
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Best answer

Correct option (A) constant

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