Form the intersection for the followng set X={0,10,100,1000} Y={100,1000} X ∩ Y =
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You have a right triangle here so we are going to use a trig identity to solve for y. Y is the side opposite the angle given to us, and then we also have the hypotenuse. Opposite / hypotenuse tells us that we have to use the sin ratio to find y. .
In order to isolate the y, we will multiply both sides by 37 to get
37sin(52)=y. We can do this on our calculator in degree mode and will get that y = 29.156 inches