[" If "tan alpha=(sqrt(3)+1)/(sqrt(3)-1)" ,then the expression "],[cos2 alpha+(2+sqrt(3))sin2 alpha" is "]

If tanalpha=(sqrt(3)+1)/(sqrt(3)-1) , then the expression cos 2alpha +(2+sqrt(3))sin 2alpha is

If tanalpha=(sqrt(3)+1)/(sqrt(3)-1) , then the expression cos 2alpha +(2+sqrt(3))sin 2alpha is

If tanalpha=(sqrt(3)+1)/(sqrt(3)-1) , then the expression cos 2alpha +(2+sqrt(3))sin 2alpha is

If theta=3alpha and sin theta =(a)/(sqrt(a^(2)+beta^(2))) ,, the value of the expression a cosec alpha - b sec alpha is

Simplify the expression sqrt((1-cos alpha cos beta)^(2)-sin^(2)alpha sin^(2)beta)

If tan alpha = sqrt3+2 , then the value of tan alpha - cot alpha is

If tan alpha= sqrt2-1 then the value of tan alpha-cot alpha = ?

If (3 pi)/(4)