SOLUTION: what is the refernece angle and the exact function value of cot 855 degrees

Question 1135389: what is the refernece angle and the exact function value of cot 855 degrees
Found 2 solutions by josgarithmetic, MathLover1:
Answer by josgarithmetic(39623) (Show Source): You can put this solution on YOUR website!
855 degrees is two full rotations and a fraction , that fraction being 135 degrees; which is 45 multiplied by 3...

cosine is and sine is .
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

=>
the exact function value:

=>
Reference angle is the smallest angle that the terminal side of a given angle makes with the x-axis.
will be in II quadrant, so °
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