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secondary 3 | E Maths
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i do not know how to do part iii. please help me thank you
Date Posted: 4 years ago
Views: 265
It is noteworthy to know that the radius of a circle is perpendicular to any tangent touching a circle.
In other words, if C is the centre of circle C1, then the tangent is perpendicular to line CP.
Recall that the product of gradients of any two pairs of perpendicular lines equals -1.
In other words, if C is the centre of circle C1, then the tangent is perpendicular to line CP.
Recall that the product of gradients of any two pairs of perpendicular lines equals -1.
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done
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clear
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Find gradient of AP. This is also the normal at point P. Find the grad of tangent at P and proceed to find eq of line.
Date Posted:
4 years ago
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