1.

If tantheta_(1), tantheta_(2),tan theta_(3), and tantheta_(4) are the roots of the equation x^4-x^3sin2beta+x^2cos2beta-xcos beta -sin beta = 0 then tan(theta_(1)+theta_(2)+theta_(3)+theta_4) is equal to

Answer»

`SIN BETA`
`cos beta`
`TAN beta `
`cot beta`

ANSWER :D


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