4,015 views
34 votes
34 votes
Given: Cos (-240')a) Identify quadrant in which angle is located.b) Find reference angle.c) Calculate the exact value.

User Farlan
by
2.6k points

1 Answer

28 votes
28 votes

Okay, here we have this:

Considering the provided information, we obtain the following:

a)

As,

User KymikoLoco
by
3.3k points