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Mathematics 7 Online
OpenStudy (shaleiah):

@nnesha

OpenStudy (shaleiah):

OpenStudy (shaleiah):

@4everaddicted2anime

OpenStudy (anonymous):

well well what do u think

OpenStudy (anonymous):

SOH CAH TOA

OpenStudy (shaleiah):

tan

OpenStudy (shaleiah):

\[\tan^{-1} (\frac{ 17 }{ 53 })\]

OpenStudy (anonymous):

no

OpenStudy (anonymous):

use CAH

OpenStudy (shaleiah):

I got 71.29

OpenStudy (shaleiah):

do you agree @Nnesha @Daniel56k

OpenStudy (anonymous):

yes

OpenStudy (shaleiah):

OpenStudy (shaleiah):

@Daniel56k

OpenStudy (shaleiah):

@jhonyy9

OpenStudy (shaleiah):

Cosine again?

OpenStudy (anonymous):

Knock it out it is the same solution

OpenStudy (shaleiah):

Great, I got 27.

OpenStudy (shaleiah):

\[\cos^{-1} (\frac{ 8 }{ 9 })=27\]

jhonyy9 (jhonyy9):

arccos(8/9) = ?

OpenStudy (shaleiah):

27

OpenStudy (anonymous):

correct

OpenStudy (shaleiah):

Thank you both for the help!!

jhonyy9 (jhonyy9):

@shaleiah sorry but i have got 0,88 what in degree mean 28° and not 27° how you have wrote above 8/9 = 0,88

OpenStudy (anonymous):

Sorry @jhonyy9 hope your calculator is in degrees

jhonyy9 (jhonyy9):

try it here please http://www.rapidtables.com/calc/math/Arccos_Calculator.htm

jhonyy9 (jhonyy9):

so for the first 71° is right sure

OpenStudy (anonymous):

that is wrong

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