If A = tan 11 tan 29 , B = 2 cot 61 cot 79 , then : – McqOptions

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1.	If A = tan 11 tan 29 , B = 2 cot 61 cot 79 , then :
A.	A = 2B
B.	A = 2B
C.	2A = B
D.	2A = B
Answer» D. 2A = B

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