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Continue Learning about Trigonometry

What is the difference between plane and spherical triangles?

The difference between plane and spherical triangles is that plane triangles are constructed on a plane, and spherical triangles are constructed on the surface of a sphere. Let's take one example and run with it. Picture an equilateral triangle drawn on a plane. It has sides of equal length (naturally), and its interior angles are each 60 degrees (of course), and they sum to 180 degrees (like any and every other triangle). Now, let's take a sphere and construct that equilateral triangle on its surface. Picture an "equator" on a sphere, and cut that ball in half through the middle. Set the top half on a flat surface and cut it into four equal pieces. Now if you "peel up" the surface of one of those quarters and inspect that triangle, it will have three sides of equal length, and will have three right angles. Not possible on a plane, but easy as pie on the surface of a sphere. Spherical trig is the "next step up" from plane trig.


What does the two sign mean?

It means peace. It was used during World War 2 to symbolize V for victory. (There's a fairly common picture of Winston Churchill doing this.)


What does sal look like in walk two moons?

Online, it has a picture of Selena Gomez under Sal. So I'm guessing she has dark, black hair and a sweet smile. Good luck!


What 30 foot wall surrounding the base of the pyramid called?

Oh honey, it's called a "perimeter wall." Just picture a big ol' fence trying to keep out unwanted guests. So, if you're looking to keep nosy neighbors out of your pyramid, that's the way to go.


What is the answer for what is the title of this picture trig graph?

The title of a trigonometric graph typically reflects the specific function it represents, such as "Sine Wave," "Cosine Wave," or "Tangent Function." If the graph depicts a sine function, for instance, it may be titled "y = sin(x)." The title helps to identify the type of periodic function and its characteristics, such as amplitude and frequency.