1.

If tan alpha = (1)/(sqrt(x(x^(2)+x+1))), tan beta = (sqrt(x))/(sqrt(x^(2)+x+1)) and tan gamma = sqrt(x^(-3)+x^(-2)+x^(-1)) then alpha+beta =

Answer»

`GAMMA`
`2gamma`
`-gamma`
`gamma//2`

ANSWER :A


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