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.
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
Answered by help
how can I find the included angle?
Answered by help please
Thank you so much
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