# Excel Found A Problem With Formula References In This Worksheet Learn Trigonometry in 2 Hours

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## Learn Trigonometry in 2 Hours

Trigonometry is the branch of mathematics that deals with triangles and angles. Contrary to what most students think, the subject is not difficult to understand. To begin with, passing trigonometry requires students to believe in themselves and have the encouragement that they have what it takes to excel. It is possible to learn the subject in 2 hours if you follow the steps below.

To excel in trigonometry, you need to hone your algebra and geometry skills. In algebra, you should be familiar with changing the subject of equations, solving simultaneous equations, and understanding linear equations. Geometry is also close to trigonometry and the areas you need to focus on include problems with circles. Understand the different types of triangles and the different formulas used to solve triangle problems.

To learn trigonometry in 2 hours, you must have an understanding of right triangles. Compared to other triangles, right triangles are the easiest to understand. Buy learning the basics of these angles; you have a good understanding of the three ratios of trigonometry. A right triangle has three sides, the hypotenuse, adjacent and opposite sides. The hypotenuse is the longest side of a triangle.

In addition to learning about angles, you need to understand three relationships. They are sine, cosine and tangent. Sine is calculated by dividing the opposite angle by the hypotenuse, while cosine is calculated by dividing the adjacent angle by the hypotenuse. On the other hand, the tangent is calculated by dividing the opposite angle by the adjacent angle. A similar way to arrive at the tangent is to divide the sine by the cosine.

Next, learn the basics of other non-right triangles. The ratios used in right triangles don’t play a major role here, but they do come in handy. There are two important rules you need to understand about non-right triangles; cosine and sine rule. Both of these rules are used to determine the properties of non-right triangles. Remember that there are three other relationships that you need to understand. They are secant, cosecant and cotangent. They are inverses of cosine, sine, and tangent, respectively.

When it comes to trigonometry, you need to learn how to solve trigonometric equations. These equations usually involve functions and are solved by transforming the equation, which results in a single relation. For example, you can convert several trigonometric functions to contain a single ratio by dividing the equation by the trigonometric term. For example, if an equation contains cosine and sine, divide it completely by sine. You also need to understand various trigonometric identities.

Learning trigonometry is not a difficult subject as most people think. The key to mastering a subject is learning the basics and practicing until you’ve mastered it. The above tips will help you master the subject in just two hours and then allow you to learn trigonometry without difficulty.

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