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Mathematics 13 Online
OpenStudy (anonymous):

Evaluate sin 60° without using a calculator by using ratios in a reference triangle.

OpenStudy (ghazi):

where is the reference triangle?

OpenStudy (anonymous):

it didn't give me one :(

OpenStudy (ghazi):

sin theta= perpendicular/ hypotenuse

terenzreignz (terenzreignz):

it says A reference triangle, not THE reference triangle... perhaps you are to make one for yourself?

OpenStudy (anonymous):

i have no clue it doesn't say anything about that

OpenStudy (anonymous):

all it gives me is the unit circle

OpenStudy (ghazi):

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