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Mathematics 13 Online
OpenStudy (anonymous):

find side BC round your answer to the nearest hundredth

OpenStudy (anonymous):

one sec

OpenStudy (anonymous):

what r ur options

OpenStudy (anonymous):

i have none.. i have to show work and give an answer

OpenStudy (ganpat):

Use, Cos CBA = adj/ hyp where, cos B = 60 degree and Hyp = 3

OpenStudy (anonymous):

i dont understand how to work out the equation.. i get cos(60)=x/3 but where do i go from there

OpenStudy (ganpat):

there is a defined value for cos 60.. are you aware of that ?

OpenStudy (anonymous):

yea

OpenStudy (anonymous):

wait no.

OpenStudy (anonymous):

sorry i read what u said wrong

OpenStudy (ganpat):

Refer this attachment !! and trigonometry will be little simple :p

OpenStudy (ganpat):

soo what is the answer you got ?

OpenStudy (ganpat):

waitt.. something is wrong.. Angle b is suppose to be 50 degree and not 60..

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