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Home Qatar Curriculum Full Access Application of Trigonometry

The sides and angles of a triangle are related to each other. The relationships that define the connection between the angles and the sides of a right triangle are expressed in terms of six trigonometric ratios :Sine (sin), cosine (cos), tangent (tan), cosecant (cosec), secant (sec), and cotangent (cot). By using these trigonometric ratios , we can find the unknown values like height of a building or distance of any object from any building or tower etc if angle of elevation (angle that eye of observer makes with the top of a building) or angle of depression (the angle that is formed between the eye of the observer who is standing on any top of the building with the object that is placed on the ground) are known.

After completing this module, you will be able to:

- Explain the applications of trigonometry in various fields of life.

- Identify the angle of elevation and the angle of depression.

- Determine 'height' and 'distance' without actually measuring them.

Keywords | Right , Triangle , Opposite , Adjacent , Perpendicular , Sin , Cos , Tan , Distance , Height , Angle , Elevation , Depression , Line , Sight |
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Controller Required | Yes |

Languages | English - US , 中文 , عربي , Español , Tiếng Việt |

Domain | K-12 |

Topic Code | HS300018 |

Devices | Google Cardboard with controller , Google Daydream , Samsung Gear VR , Oculus Go , Pico Goblin , EduPro , WebXR |