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OpenStudy (anonymous):
explain, using diagrams, why the sine ratio of an angle of 20° is smaller than the sine ratio for an angle of 40°.
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OpenStudy (anonymous):
|dw:1375859940526:dw|
OpenStudy (anonymous):
The angles in the diagram above are not to scale. The dashed lines are perpendicular to the horizontal radius. If drawn to scale the length of the dashed lines would be the value of the sine of 20 and 40 degrees respectivley.
OpenStudy (anonymous):
thank you!
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