sqrt(23)

Classify the following number as rational or irrational: (3+sqrt23)-sqrt23

Classify the following numbers as rational or irrational : (3+sqrt23)-sqrt23 .

Let f:X rarr yf(x)=s in x+cos x+2sqrt(2) be invertible.Then which X rarr Y is not possible? [(pi)/(4),(5 pi)/(4)]rarr[sqrt(2,3)sqrt(2)][-(3 pi)/(4),(pi)/(4)]rarr[sqrt(2,3)sqrt(2)][-(3 pi)/(4),(3 pi)/(4)]rarr[sqrt(2,3)sqrt(2)] none of these

The value of 5sqrt(3) + 7sqrt(2) - sqrt(6) - 23/(sqrt(2) + sqrt(3) + sqrt(6)) is:

Find the value of (sqrt(3) cos 23^(@) - sin 23^(@))/(2)

(1)/(4)(sqrt(3)cos23^(@)-sin23^(@)) is equal to

(1)/(4)[sqrt(3)cos23^(@)-sin23^(@)]=