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Mathematics 7 Online
OpenStudy (anonymous):

can some one help me with math!

OpenStudy (anonymous):

that's smarter

OpenStudy (anonymous):

thanks haha

OpenStudy (anonymous):

they tell you what to do here the maximum is 0, the minimum is \(-4\) for a total length of \(4\) and half of \(4\) is ?

OpenStudy (anonymous):

2! so it would be 4:2

OpenStudy (anonymous):

yes i don't see that choice, but yes

OpenStudy (anonymous):

oh yes, first choice

OpenStudy (anonymous):

@iPwnBunnies could you help please

OpenStudy (anonymous):

OpenStudy (anonymous):

@Night-Watcher

OpenStudy (anonymous):

Just type the number in on a calculator and hit the cos button or the sin button

OpenStudy (anonymous):

Your answer will come out in decimal form so you have to convert it into a fraction and see which one is your answer

OpenStudy (anonymous):

Cos 105=-0.2588 Sin 150=0.50 Change them into decimals and you have your answer

OpenStudy (anonymous):

Change them into fractions and you have your answer

OpenStudy (anonymous):

so would it be A?

OpenStudy (ipwnbunnies):

No, it won't. Night Watcher used cos(105) instead of cos(150). Do you know certain special triangles, and terminal angles?

OpenStudy (ipwnbunnies):

Or you can plug these numbers into a calculator. o.o

OpenStudy (anonymous):

how would I do that

OpenStudy (ipwnbunnies):

Do which?

OpenStudy (anonymous):

into the calculator

OpenStudy (ipwnbunnies):

Nightwatcher told you. o.o Press the COS key, put 150 in the parentheses. Enter.

OpenStudy (anonymous):

is -0.8 right

OpenStudy (ipwnbunnies):

Mhm, do the same the SIN(150). Then figure out which choice matches your numbers.

OpenStudy (anonymous):

its 0.5

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