(a)[4]
To change the curve $y = \sin x$ into the curve $y = f(x)$, the curve $y = \sin x$ is reflected first in the $x$-axis. Fully describe a sequence of two more transformations that are needed.
(b)[2]
Determine $f(x)$ in terms of $\sin x$.
Mathematics 9709 · AS & A Level · Functions
Functions — practice question
The diagram contains two curves. One has equation $y = \sin x$, while the other has equation $y = f(x)$.