PLEASE: Evaluate this expression: 1/6 + [Sqrt(1-(2/3)^2] [Sqrt(1-(1/3)^2)]

I have gotten this far but dont know how to simplify it further.

Question

PLEASE: Evaluate this expression: 1/6 + [Sqrt(1-(2/3)^2] [Sqrt(1-(1/3)^2)]

I have gotten this far but dont know how to simplify it further.

anonymous · Answer

can you use a calculator?

anonymous · Answer

no the answer needs to be in fraction form

anonymous · Answer

you can still get it in fraction form on the calculator? but ok. let me take a look, give me a minute

anonymous · Answer

yeah i meant they dont want the answer in decimal form, and thx

anonymous · Answer

i dont know how to do it for sure and i dont want to tell you wrong

anonymous · Answer

sorry

anonymous · Answer

lol i have the answer in the textbook, but i need to know how to do it, thanks tho

anonymous · Answer

I think there is suppose to be a closing first bracket  in the first 
sqrt expression or somewhere else, there is one closing bracket less. Can you please write the expression once more?

anonymous · Answer

Added the brackets

anonymous · Answer

okay...

anonymous · Answer

i just dont know how to simplify (1-(2/3)^2), do you know how?

anonymous · Answer

i fixed the question first bracket has 2/3 not 1/3

anonymous · Answer

okay...

anonymous · Answer

let me try..

anonymous · Answer

is this the entire question?

anonymous · Answer

no only a small part

anonymous · Answer

will you please post the entire question once