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Trigonometry

Trigonometry is a field of mathematics. It is the study of triangles. Trigonometry includes planar trigonometry, spherical trigonometry, finding unknown values in triangles, trigonometric functions, and trigonometric function graphs.

3,810 Questions

How many kinds of trigonometry are there in mathematics?

Two types of trigonometry are recognized: planar and spherical. Planar is 2-dimensional, while spherical is 3-dimensional. Though these are different fields, spherical trigonometry is really just an application of planar trigonometry in several planes.

What is origin in cartesian coordinate system?

It is said that Rene Descartes was lying, ill in bed, when he noticed an insect on the ceiling. He realised that he could identify the exact location of the insect by specifying only two numbers: the distance of the insect from a given corner of the room in two different directions.

How do you find amplitude in trigonometry?

The amplitude of a sine (or cosine) curve is the difference between the maximum and minimum values of the curve, measured over a whole cycle.

What are the real life examples for trigonometry?

Trigonometry is used in design of everything from buildings to instruments to appliances. It is also used in electronics, acoustics, EM radiation, flight, navigation, projectile motion, and nearly every every application of waves and forces in physics and engineering.

Value of cos20?

The cosine of 20 degrees is 0.93969262

What does trigonomotry look like?

Trigonometry is a branch of mathematics. It is a form of knowledge and has no physical existence and so it has no appearance.

What is the difference between surface area and area?

Area is usually pertaining to the area of a 2d object but surface is 3d object

What is the difference between calculus and trigonometry?

Calculus is the study of instantaneous and cumulitive growths of functions with respect to two or more variables. Trigonometry is the study of angles, specifically in triangles.

How do you get a feasibility region linear programming?

A feasible region is, in a constrained optimization problem, the set of solutions satisfying all equalities and/or inequalities. On the other hand a linear programming is a constrained optimization problem in which both the objective function and the constraints are linear, therefore a feasible region on a linear programming problem is the set of solutions of the a linear problem. Many algorithms had been designed to successfully attain feasibility at the same time as resolving the problem, e.g. reaching its minimum. Perhaps one of the most famous and extensively utilized is the Simplex Method who travels from one extremal point to another, which happens to be the possible extrema given the convex nature of the problem, by maintaining a fixed number of components to zero, called basic variables. Then, the algorithm arrives to a global minimum generally in polinomial time even if its worst possible case has already been proved to be exponencial, see Klee-Minty's cube.

What are used to locate and graph points in the Cartesian coordinate system?

Coordinants. If you're looking for an answer with 12 letters good luck..

Cos series expression?

cos(x) = 1 - x2/2! + x4/4! - x6/6! + ... where x is the angle measured in radians.

Founders of analytic geometry?

It is important to know who created and improved the things we use in life. This is especially important in math, the man who invented analytic geometry is René Descartes.

How much is 999 X 999?

998001 you know

999

x

999

___

8991

8991

8991

______

998001

8991+89910=98901+899100=998001 explanation complete, I put zero in the last 2 because its not in the same place and to make it easier to add.... i put zero like this

999

x 999

___

8991

89910

899100

_______

998001

Can you delete your wild tangent orb account?

No. You can contact the wild tangent support team to either block or disable it.

A figure has 2 sides of parallel sides and 4 right angles All of the sides are the same lenght What are the 3 names for the figure?

The 3 names for this figure are:

1. Square - all sides are parallel, there are 4 right angles, and all the sides are the same length. All squares are quadrilaterals and parallelograms.

2. Quadrilateral - 4 sides. NOT all quadrilaterals are squares, however.

3. Parallelogram - all sides are parallel. NOT all parallelograms are squares, however.

How do you convert a fraction to a mixed number?

Only improper fractions can be turned into mixed numbers. To do so, whatever the denominator is, take as many of that value out of the numerator and move it to the front.

Ex: 58/7 . 7 goes into 58 eight times, so take out eight 7's from the numerator. 58-56 = 2, so the new numerator is 2. A good way to think of it is:

58/7 = 56/7 + 2/7

56/7 is 8, so your final answer would be 8 2/7

How do you work out total area of a room?

If the room is rectangular, multiply the the lengths of the walls. If the shape is not rectangular, you will need to break it up into rectangles or squares. Draw it out on paper and break it up into smaller parts whose area you can find.