7. Trigonometric Functions
Interactive practice questions
The diagram below shows a number of points on the unit circle. Which point corresponds to a distance of $\frac{\pi}{2}$π2 units around the circle?
$C$C
A
$B$B
B
$D$D
C
$A$A
D
Easy< 1 min
Answer the following.
Easy1 min
How can you convert between radian and degree angle measures?
Easy1 min
Convert $90^\circ$90° to radians.
Give your answer in exact form.
Easy< 1 min
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