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-1/2 Cos(2X)

(X+4)(X-5)

x=3, y=2

Both one-tailed and two-tailed hypothesis are examples of alternative or experimental hypothesis, which predict there will be a psychological effect. A one tailed hypothesis, also known as a directional h...

First, draw a diagram showing the rectangle, the circle and the unknowns . Then find the equations representing this problem (equation of a circle of center 0, x² +y²=4² ...