P P\,P and Q Q\,Q are points on the circumference of a circle, centre OOO. LMN LMN\,LMN is a tangent to the circle at point MMM.
Angle PML=67∘PML = 67^\circPML=67∘
Find the size of angle PMOPMOPMO. Give reasons for each stage of your working.
Find the size of angle PQMPQMPQM. Give reasons for each stage of your working.