27. Trigonometric Functions (Extended)
iGCSE (2021 Edition)
27.02 Graphs of sine and cosine functions (Extended)
Interactive practice questions
Consider the equation $y=\cos x$y=cosx.
a
Complete the table of values.
Give your answers in exact form.
| $x$x | $0^\circ$0° | $90^\circ$90° | $180^\circ$180° | $270^\circ$270° | $360^\circ$360° |
|---|---|---|---|---|---|
| $\cos x$cosx | $\editable{}$ | $\editable{}$ | $\editable{}$ | $\editable{}$ | $\editable{}$ |
b
Plot the graph of $y=\cos x$y=cosx.
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Easy
2min
Consider the equation $y=\sin x$y=sinx.
Easy
1min
The value of $\sin\theta$sinθ can be represented on the $xy$xy-plane below. Consider the curve $y=\sin\theta$y=sinθ and answer the following questions.
Medium
2min
Consider the curve $y=\sin x$y=sinx drawn below and determine whether the following statements are true or false.
Medium
< 1min
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