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15 Jan 2018
2 A7. Find the exact value of cos(2 sin ()). marks Let ya simY3 Then siny=% and cos2y = 1.25iny Y2 =y=72 = 1- =%
2 A7. Find the exact value of cos(2 sin ()). marks Let ya simY3 Then siny=% and cos2y = 1.25iny Y2 =y=72 = 1- =%
Nelly StrackeLv2
17 Jan 2018
