Jxinlim's answer to AX's Secondary 3 E Maths Singapore question.
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Using tan rule, to find angle OAN.
To search for radius of circle, which is OA. To help u search the result on further parts.
Angle OAN is twice of angle OCD.
Therefore, use cos rule to get the length of MC.
To search for radius of circle, which is OA. To help u search the result on further parts.
Angle OAN is twice of angle OCD.
Therefore, use cos rule to get the length of MC.
Date Posted:
5 years ago
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