The value of the following is : (tan 20 ) +(cot 20 ) + 2tan 15 . tan 4 – McqOptions

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1.	The value of the following is : (tan 20 ) +(cot 20 ) + 2tan 15 . tan 45 . tan 75 (cosec 70 ) (sec 70 )
A.	1
B.	4
C.	3
D.	2
Answer» D. 2

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