Question

The reference angle for 5 is 1, which has a terminal point ofWhat is the terminal point of 51?√2/22 3 2

Answer 1

Then the terminal point of 5pi/4 will be the pair of negatives of the terminal point od pi/4, it will be:

$(-\frac{\sqrt[]{2}}{2},-\frac{\sqrt[]{2}}{2})$

which is the option B in the list.