Trigonometric graph problem
I'm looking over past exams I've done, and I'm unable to understand question 9. (ii) from one of them. Can everyone help? (links to question paper, mark scheme and examiner report below)
http://qualifications.pearson.com/content/dam/pdf/A%20Level/Mathematics/2013/Exam%20materials/6664_01_que_20120307.pdf
http://qualifications.pearson.com/content/dam/pdf/A%20Level/Mathematics/2013/Exam%20materials/6664_01_msc_20120123.pdf
http://qualifications.pearson.com/content/dam/pdf/A%20Level/Mathematics/2013/Exam%20materials/6664_01_pef_20120307.pdf
http://qualifications.pearson.com/content/dam/pdf/A%20Level/Mathematics/2013/Exam%20materials/6664_01_que_20120307.pdf
http://qualifications.pearson.com/content/dam/pdf/A%20Level/Mathematics/2013/Exam%20materials/6664_01_msc_20120123.pdf
http://qualifications.pearson.com/content/dam/pdf/A%20Level/Mathematics/2013/Exam%20materials/6664_01_pef_20120307.pdf
Yes it has! Thanks.
Original post by fablereader
Yes it has! Thanks.
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