The diagram shows part of the graph of $$$y=a \cos (b x)+c$$$. Find the values of the positive integers $$$a, b$$$ and $$$c$$$. .................................................................................................................................................... .................................................................................................................................................... .................................................................................................................................................... .................................................................................................................................................... .................................................................................................................................................... ....................................................................................................................................................

Mathematics

IGCSE&ALevel

CAIE

Exam No：9709_w21_qp_11 Year：2021 Question No：5(a)

Answer:

$a=5$
$b=2$
$c=3$

1.5.1 sketch and use graphs of the sine, cosine and tangent functions (for angles of any size, and using either degrees or radians)