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Summary Trigonometry Basics easy tricks to know
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Trigonometry, as the name might suggest, is all about triangles. More specifically, trigonometry is about right-angled triangles, where one of the internal angles is 90°. Trigonometry is a system that helps us to work out missing or unknown side lengths or angles in a triangle.

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  • February 29, 2024
  • 2
  • 2023/2024
  • Summary

Subjects

  • made easy

Written for

  • Secondary school
  • Mathematics
  • 1
All documents for this subject (2009)

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Trigonometry Basics
Manocha Academy

Trigonometry Basics
Welcome to this trigonometry maths class where we will be
looking at the basics of trigonometry. Before we dive into
the topic, we want to mention our website,
monoshockaddme.com where we offer detailed courses,
interactive videos, quizzes, and special live classes. We have
big discounts going on right now, so be sure to check it out.
Also, hit the subscribe button and notification bell on our
YouTube channel if you haven't already. Let's get started!

Applications of Trigonometry
Trigonometry can help you find the height of a tall building
like the Burj Khalifa without going to the top. You can also
find the width of a river without using a long tape. Check out
our video on heights and distances for more information.

Pythagoras Theorem
Remember Pythagoras theorem which states that in a right
angle triangle, the square of the hypotenuse is equal to the
sum of the squares of the other two sides. This theorem is
helpful in finding the third side of a right angle triangle when
given the other two sides.

Trigonometry Ratios
Trigonometry deals with right angle triangles and their
angles and sides. In a right angle triangle, we have the
hypotenuse, perpendicular, and base. These terms are
important in understanding the trigonometric ratios. Given
an angle and a side, we can use trigonometry to find the
other sides and angles of the triangle.

Trigonometric Ratios in a Right Angle
Triangle

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