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Mathematics 8 Online
OpenStudy (allieeslabae):

Correct me if I am wrong?....

OpenStudy (allieeslabae):

\[\sin^{-1} (\sqrt{3}/2)\] is 300 degrees?

jhonyy9 (jhonyy9):

how you get 300 ?

OpenStudy (allieeslabae):

Because this problem is pi/3, no?

jhonyy9 (jhonyy9):

yes what ia 60

jhonyy9 (jhonyy9):

is 60 degree

OpenStudy (allieeslabae):

Oh pi/3 is 60 degrees?

jhonyy9 (jhonyy9):

yes sure

jhonyy9 (jhonyy9):

bc. pi=180 what divide 3 =60

OpenStudy (allieeslabae):

okay thank you!

jhonyy9 (jhonyy9):

np

OpenStudy (allieeslabae):

How about these?

OpenStudy (allieeslabae):

@jhonyy9

jhonyy9 (jhonyy9):

looke on this please http://www.rapidtables.com/calc/math/Arcsin_Calculator.htm

OpenStudy (allieeslabae):

I dont see what im looking for.

jhonyy9 (jhonyy9):

moment please

jhonyy9 (jhonyy9):

OpenStudy (allieeslabae):

Would it be C? For 21?

OpenStudy (allieeslabae):

0.78

OpenStudy (allieeslabae):

correct?

jhonyy9 (jhonyy9):

no

OpenStudy (allieeslabae):

How is 0.64? When the other website gave 0.78? What'd we do different?

jhonyy9 (jhonyy9):

you need selecting the unit measure in degree or radiani

OpenStudy (allieeslabae):

Okay how about 22?

OpenStudy (allieeslabae):

Sin 0.6 is 64...???

OpenStudy (allieeslabae):

Okay!

jhonyy9 (jhonyy9):

than you see this website there is a table where you can writing the necessary value to calculi than push in this table on tan

OpenStudy (allieeslabae):

22. 80 degrees?!

jhonyy9 (jhonyy9):

jhonyy9 (jhonyy9):

ok. ?

OpenStudy (allieeslabae):

Okay but we're looking for tangent 5.67

OpenStudy (allieeslabae):

70 isn't one of my answer choices. I have 8- degree, -80 degree, 10 degrees, and -10 degrees.

jhonyy9 (jhonyy9):

yes this is the value of tan5,67 than you see on the right corner on the top there is wrote

OpenStudy (allieeslabae):

*80

jhonyy9 (jhonyy9):

but there is a minus in front of 70 so will be how ?

OpenStudy (allieeslabae):

so what's 22?

jhonyy9 (jhonyy9):

this minus 70 rounded what number from this list choices will can being ? i think -80 no ?

jhonyy9 (jhonyy9):

so for 23. than i remember it right 2sintheta costheta = sin2theta yes ?

OpenStudy (allieeslabae):

what are you asking?!

jhonyy9 (jhonyy9):

the next exercise 23

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