Basic Trigonometry

Trigonometry Tutorial

Basic Trigonometry

Intro

Trigonometry has baffled students for many because because of the difficulty in learning the basic values but alas it’s quite easy and I’ll show you how.

Sample Problem

Question source

This is table that helps you to learn.

Solution

As you can see the image a table is given showing the basic trigonometric values but what you need to do is just learn the values of the sine portion. The cosine portion is similar to sine as we can write the sine values in backwards for cosine. For example cos 90 becomes zero as sine 0 is zero. The tangents values come by dividing the sine value with cosine. The Co tangent cosecant and secant values are the reciprocal of tangent sine and cosine respectively.



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