Determine if the graph is symmetric about the x-axis, the y-axis, or the origin. r = 2 cos 3θ
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From the problem we have
In △ABC, m∠A=52°, c=11, and m∠B=19°.
Draw the diagram with the help of given information, (see the attached image)
Now using Sine Law in the Triangle ABC, we can write
Now from Triangle ABC , we can write
Now simplify , we get
