Maths need to know formulas 3.5 / 5 based on 3 ratings ? MathematicsScottish HighersSQA Created by: madeleineCreated on: 03-05-13 17:05 Distance formula square root of (x2-x1)^2+(y2-y1)^2 1 of 15 Gradient of line passing through X and Y Y2-Y1/X2-X1 2 of 15 Gradient given of theta. Tan theta 3 of 15 Straight line formula of non vertical line y=mx+c 4 of 15 equation of vertical line ax+by=c 5 of 15 Non-vertical line equation passing through (A,B) y-b=m(x-a) 6 of 15 how to find the Median Midpoint, gradient, straight line 7 of 15 How to find the perpendicular bisector midpoint, perpendicular gradient, straight line 8 of 15 how to find the altitude perpendicular gradient, straight line 9 of 15 LogxY=? LogxY=LogaY/LogaX 10 of 15 Sin/Cos/Tan 30/45/60 sin30=1/2 sin45=1/root2 sin60=root3/2 Cos30=root3/2 Cos45=1/root2 Cos60=1/2 Tan30=1/root3 Tan45=1 Tan60=root3 11 of 15 area of a triangle 1/2ABsinC 12 of 15 B^2-4AC<0 no real roots 13 of 15 B^2-4AC=0 coincident and equal 14 of 15 B^2-4AC>0 real roots and distinct and rational 15 of 15

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