Question

请有才能的人不吝与分数赐教,已知角θ=-六分之11π,P为角θ终边上一点,|OP|=2根号3,求点P的坐标

Answer 1

x=2√3cosθ=2√3*cos(2π-11π/6)=2√3*cosπ/6=2√3*√3/2=3

y=2√3sinθ=2√3*sinπ/6=√3

P坐标为(3,√3)