flyingunknown's answer to deadskullzx's Secondary 4 A Maths question.

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flyingunknown
Flyingunknown's answer
3 answers (A Helpful Person)
1st
the 3 in 3cosA(x) is the amplitude of the graph, which means how far the maximum and minimum point is from the line cutting the centre of the graph horizontally

"+B" is shifting of the graph upwards such that the line cutting through ths graph is shifted upawards (the same line as mentioned above)
deadskullzx
Deadskullzx
7 years ago
yup i know im actually asking for (i) but someone commented and helped me le , thanks anyway !!!