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The value of tan 4^@ tan 43^@ tan 47^@ t...

The value of `tan 4^@ tan 43^@ tan 47^@ tan 86^@` is

A

`1/2`

B

2

C

1

D

`2/3`

Text Solution

Verified by Experts

The correct Answer is:
C

`(tan4^@ . Tan86^@) (tan 43^@ . Tan 47^@)`
`= 1 xx 1`
= 1
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