Question

find the values of trigonometric functions of the following quadrantal angles;
(1). -pi (2). -3pi (3).5/2*pi (4).-9/2*pi
it is looking very difficult to me,,,,,, please can you help me

Answer 1

can you draw the angle \(-\pi\) on unit circle ?

Answer 2

yes ..if we move clockwise then we can find the -pi...@rational

Answer 3

@rational

Answer 4

yes @loser66

Answer 5

@Loser66 becaus in my book -pi=-2pi+pi ...they start from this therefor i am feeling difficult

Answer 6

no no no cuty @loser66

Answer 7

ok, They just want you to completely understand clockwise and counterclockwise angles. That's it