0606 P12 - Mar 2022 - Q6 - 8 marks
7753
The normal to the curve \(y=1+\tan3x\) at the point \(P\) with \(x\)-coordinate \(\frac{\pi}{12}\) meets the \(x\)-axis at the point \(Q\).
The line \(x=\frac{\pi}{12}\) meets the \(x\)-axis at the point \(R\). Find the area of the triangle \(PQR\).
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