A New Hampshire woman was killed in a crash early Friday morning on Interstate 84 west in Sturbridge after her vehicle spun 180 degrees and she was ejected from the cabin, State Police said.

Let's remind ourselves of what the sine graph looks like so that we can see how many solutions we should be expecting: Therefore, from the graph of the function, we can see that we should be ...

It's possible to demonstrate and prove mathematically that the angle sum of every triangle is 180 degrees. The techniques used are useful for solving all kinds of other geometry problems too.