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The vertices of a triangle are A(x1,x1ta...

The vertices of a triangle are `A(x_1,x_1tantheta_1),B(x_2, x_2tantheta_2),` and `C(x_3, x_3tantheta_3)dot` If the circumcenter of ` A B C` coincides with the origin and `H(a , b)` is the orthocentre, show that `a/b=(costheta_1+costheta_2+costheta_3)/(sintheta_1+sintheta_2+sintheta_3)`

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CENGAGE PUBLICATION-CONIC SECTIONS-All Questions
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