determine-the-exact-value-of-the-expression-using-the-provided-data-cos-2-where--3

Question

Determine the exact value of the expression using the provided data.

cos 2β where cot β = 4, β lies in quadrant III

Accepted Answer

15/17

Answer

17/15

Answer

-15/17

Answer

-17/15

Determine the exact value of the expression using the provided data.cos 2β where cot β = 4, β lies in quadrant III