- Cos^2 75 degrees - sin^2 75 degrees Help please? I have no idea how to solve.?

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For (x/y)+5x=6+(1/y), where x can be any real number except 1 or 6/5. If y is solved in terms of x, the result is y=? Math help please? I cant find the equation for this graph? How ruler describe me? Find an equation for the plane that contains the line v = (−1, 1, 2) + t(8, 2, 6) and is perpendicular to the plane 5x + 2y − 3z + 3 = 0.? Can someone help me out with a Statistics problem?? File is attached with problem.?