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Grade: 11
        IF A(cosA,sinA) B(cosB,sinC) and C(cosD,sinE) represent three vertices of the triangle . Then find the orthocentre of the triangle.
3 years ago

Answers : (1)

Adarsh Srivastav
19 Points
							
As the points A,B and C have same distance from origin (0,0).
So it’s circumcentre is at (0,0) then it’s orthocentre is the of vertices of the triangle .
Its orthocentre is (cosA+cosB+cosD,sinA+sinC+sinE).
3 years ago
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