Edexcel GCE Core Mathematics C3 January 2011 exam answers review
Express 7cosx − 24sin x in the form R cos (x + α) where R>0 and 0<α<π/2 . Give the value of α to 3 decimal places. (3) Hence write down the minimum value...
Express 7cosx − 24sin x in the form R cos (x + α) where R>0 and 0<α<π/2 . Give the value of α to 3 decimal places. (3) Hence write down the minimum value...