Question

I need help with this practice problem solving It is possible to choose more tHan one answer in the answer options As said in the photo

Answer 1

Answer: = 2 /3 + n , option 7

Given that

3cot =-√3

3cot /3=-√3/3...( take note the the 3's cancels each other)

∴cot = -√3/3

= 2 /3 + n ...( where n is an integer)