coordinate

Question: Area of a triangle whose vertices are $(a\cos \theta ,b\sin \theta ),$ $(-a\sin \theta ,b\cos \theta )$ and $(-a\cos \theta ,-b\sin \theta )$ is

1) $a\cos \theta \sin \theta $

2) $ab\sin \theta \cos \theta $

3) $\frac{1}{2}ab$

4) $ab$

Solution:

Explanation: No Explanation

Points related to triangle (Orthocente Circumcentre Incentre) Area of some geometrical figures Collinearity

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