How to Use the Laws of Sines and Cosines?

Answer The Pythagorean Theorem is useful in many situations, but in some cases, you may find that you need something more advanced to solve a math problem. In such a case, you may find that trigonometry i... Read More »

Top Q&A For: How to Use the Laws of Sines and Cosines

How to Convert a Slope-Intercept Form Equation Into a General Linear Equation?

When writing linear equations, you can use either the slope-intercept form or general form. The advantage of slope-intercept form, or y = mx + b, is that you can immediately see the slope, m, and t... Read More »

How to Change a Point-Slope Equation to a Slope-Intercept Equation?

"Every fool is a prophet in his own land." This is another way of saying there's always another side to every story or situation. It's often the same in mathematics. The expression (-1/3) x (-9/3),... Read More »

What is an equation for horsepower?

Mass times acceleration times velocity divided by 746 equals the horsepower for an engine. For a water pump, horsepower equals pump capacity times pump head divided by 3960 times pump efficiency, o... Read More »

What is the equation to the universe?

I'm in the US and I can answer it just fine. The equation is E=MC2.