circle

Question: The angle between the tangents to the circle ${{x}^{2}}+{{y}^{2}}=169$ at the points (5, 12) and (12, –5), is



1) ${{30}^{o}}$
2) ${{45}^{o}}$
3) ${{60}^{o}}$
4) ${{90}^{o}}$
Solution: Explanation: No Explanation
Tangent and normal to a circle

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