Mathematics
16 Online
OpenStudy (anonymous):
Use the calculator to approximate the trig function of the given angle. Round answer to the fourth decimal place.
cos 63.1° =
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OpenStudy (anonymous):
ok, use a calculator!
OpenStudy (anonymous):
if i knew i wouldnt ask...
OpenStudy (anonymous):
it says "use a calculator" so there is nothing really to know
OpenStudy (anonymous):
not rlly in the mood for you to show how stupid i am, idk wat to press to get the answer
OpenStudy (anonymous):
plug "cos(63.1) " in to a calculator and read what it says
you are not supposed to be able to figure this out somehow,
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OpenStudy (anonymous):
depends on the calculator
which one are you using?
OpenStudy (anonymous):
computer calculator
OpenStudy (anonymous):
actually, you don't even need one since you are on a computer
just type "cos(63.1)" here
http://www.wolframalpha.com/
OpenStudy (anonymous):
after tht do i just move the decimal to the right 4 times?
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OpenStudy (anonymous):
no!
OpenStudy (anonymous):
just read off what it says
OpenStudy (anonymous):
round to four decimal places means include for decimal places
OpenStudy (anonymous):
wt does tht mean
OpenStudy (anonymous):
it means write the number down you see, stop after the 4th digit
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OpenStudy (anonymous):
what number do you see?
OpenStudy (anonymous):
4524
OpenStudy (anonymous):
you forgot to write the decimal point i think
OpenStudy (anonymous):
4524.
OpenStudy (anonymous):
lol no
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OpenStudy (anonymous):
idk bro
OpenStudy (anonymous):
it says \(\large.4524\)
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
in sine and cosine are always numbers between -1 and 1
OpenStudy (anonymous):
that is the answer
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OpenStudy (anonymous):
wat about rounding to 4th decimal place
OpenStudy (anonymous):
\(\huge .4524^{\text{4th decimal place here}}\)
OpenStudy (anonymous):
?
OpenStudy (anonymous):
\(.45243\) five decimal places
OpenStudy (anonymous):
ok got it
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OpenStudy (anonymous):
\(.452435\) five decimal places
OpenStudy (anonymous):
since the answer is a non repeating, not terminating decimal, they are just saying "after for places, stop writing anything"
OpenStudy (anonymous):
ok