Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) The value of `tan(1/2cot^-1(3))` equal - Sarthaks eConnect

The value of `tan(1/2cot^-1(3))` equal

`(3+sqrt10)^-1`

`(10+sqrt3)^-1`

`(3+sqrt10)`

`(10+sqrt3)`

Solution

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Best answer

`Let cot^-1 3=theta`

`=> cot theta=2`

`cos theta=3/sqrt10`