How do I show the identity of cos(6x) = 2cos^2(3x)-1
1 answer:
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First, let's look at the formulas for the area of square and area of the rectangle.
And what this exercise states is that the areas are the same. So:
Now put in the data.
Solve for :
The side of the square garden plot is 4 meters.
Hope this helps.
r3t40