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OpenStudy (anonymous):
Area of triangle OCB=(1/2)abs(OB)^2 (sin beta)(cos beta)
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OpenStudy (anonymous):
OpenStudy (anonymous):
the length of OA is 1
OpenStudy (anonymous):
So you're supposed to find the area itself?
OpenStudy (anonymous):
You're supposed to show that the area of the triangle equals that
OpenStudy (anonymous):
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