Why does this make no sense to me at all If you have Sqrt of 1-(.50)^2 the calcultor says its .87 How is that possible The sqrt of 1 is 1 1-.5 is .5 Can someone explain this

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Why does this make no sense to me at all If you have Sqrt of 1-(.50)^2 the calcultor says its .87 How is that possible The sqrt of 1 is 1 1-.5 is .5 Can someone explain this

Mathematics
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\[\sqrt{1-(.50)^2}\]
be careful when entering it
use brackets

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i did and the answer in my math book is .87
if type in sqrt (1-(.50)^2) just liek that it says .87 how does that make sense at all The sqrt of 1 is 1 and 1 -,5 is not .87
first do 1-.5^2 then take the sqrt of the answer i tried it
like lalaly said, you have to do the stuff under the sqrt first...
In addition and subtraction \[\sqrt{1-0.5^2} \cancel{=} \sqrt{1}-\sqrt{0.5^2}\]
the sqrt of .5 is not .87 its .7 so what is going on
as i said u have to find whats under the root then find the square root, u cant take the sqrt of each number individually
nevermind im a moron ugh i hate having breaks at school i come back from break and forget everything i KNOW how to do sorry thanks
its ok... goodluck
You're not a moron. Everyone forgets stuff. That's why we're here to help. :)
thanks guys p.s i hate trig lol

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