SOLUTION: Express cos 236° in terms of its reference angle. Show work.

Question 1138393: Express cos 236° in terms of its reference angle. Show work.
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

A reference angle is an angle whose measure is between ° and° (not including ° or °)
If is your angle, here’s how to find its reference angle.
Quadrant |Reference Angle
II............ |< ° -
III ...........|< - °
IV............| < ° -

=> °
= > ° is in Q II where sin is negative, so reference angle is:
=>

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