Looking for an updated Ohio State Test Reference Sheet for high school math? Find conversions like 1 foot to 12 inches, or trigonometry formulas for sinA, cosA, and tanA. Discover key geometry formulas for triangles, prisms, cylinders, circles, spheres, cones, and pyramids. Need distance or quadratic formulas? This comprehensive guide also includes the addition rule for probability. Stay ahead with this July 2018 revision packed with essential math knowledge and conversions for your high…