27. Trigonometric Functions (Extended)
iGCSE (2021 Edition)
27.04 Period of sine and cosine functions (Extended)
Interactive practice questions
Consider the function $y=\sin2x-2$y=sin2x−2, where $x$x is in radians.
a
Graph the function on the axes below.
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b
State the domain of the function in interval notation.
c
State the range of the function in interval notation.
Easy
2min
Consider the functions $f\left(x\right)=\cos x$f(x)=cosx and $g\left(x\right)=\cos4x$g(x)=cos4x.
Easy
5min
Consider the function $y=\tan2x$y=tan2x.
Answer the following questions in radians, where appropriate.
Easy
4min
Which of the following is the graph of $y=\sin\left(x+\frac{\pi}{2}\right)$y=sin(x+π2)?
Easy
< 1min
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