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Mathematics 21 Online
OpenStudy (anonymous):

Evaluate sin 60° without using a calculator by using ratios in a reference triangle. My answer so far: The sine is the ratio of the opposite leg to the hypotenuse sin a=opp leg/hypotenuse sin 60 deg=opposite/hypotenuse=square root 3/2 how can i fix/make my answer better No pictures please just words

OpenStudy (welshfella):

First mention the reference triangle 90-60-30 having sides 2 , 1 and sqrt 3.

OpenStudy (welshfella):

- and the largest of the legs(sqrt3) being opposite the 60 degrees.

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