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Showing posts with label May June 15 Paper 32. Show all posts
Showing posts with label May June 15 Paper 32. Show all posts

Thursday, April 13, 2017

May June 15 Paper 32

WORKED SOLUTION




3) A curve has equation y = cos x cos 2x. Find the x-coordinate of the stationary point on the curve in the interval 0 < x < (pi/2), giving your answer correct to 3 significant figures.