The point P P\,P lies on the curve with equation y=cscx+cos2xy = \csc x + \cos 2xy=cscx+cos2x with x x\,x coordinate π4\displaystyle \frac{\pi}{4}4π
Find an equation to the tangent to the curve at the point PPP.
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Markscheme
3 Unit A2 1: Pure Mathematics (A-level only) Questions