Asked by help
                 Can anybody help me please? i dont get it :(
Two points on the polar plane are given as p1 = (−2,3π/2 ) and p2 = (2,2π/3). Please find the triangular area formed by P1, P2, and the pole.
            
        Two points on the polar plane are given as p1 = (−2,3π/2 ) and p2 = (2,2π/3). Please find the triangular area formed by P1, P2, and the pole.
Answers
                    Answered by
            oobleck
            
    you have an isosceles triangle with two sides of length 2, and the included angle is π/6
so the area is 1/2 * 2*2 * sin π/6 = 1
    
so the area is 1/2 * 2*2 * sin π/6 = 1
                    Answered by
            help 
            
    how can I find the included angle?
    
                    Answered by
            help please
            
    Thank you so much
    
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