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If A = 35^@ , B = 15^@ and C = 40^@, the...

If `A = 35^@` , `B = 15^@` and `C = 40^@`, then tan A. tan B + tan B. tan C + tan C. tan A is equal to

A

0

B

1

C

2

D

3

Text Solution

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The correct Answer is:
B
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