G S Rehill's Interactive Maths Software Series - "Building a Strong Foundation in Mathematics" from mathsteacher.com.au.

 

Year 10 Interactive Maths - Second Edition


Using Inverse Cosine

Example 12

Solution:


Key Terms

inverse cosine, inverse cos

 

Study Another Topic in Chapter 15: Trigonometry

Naming the Sides of a Right-Angled Triangle ] Finding Side-Lengths ] Using the Cosine Ratio ] Using the Tangent Ratio ] Using a Graphics Calculator ] Finding Angles ] [ Using Inverse Cosine ] Using Inverse Tangent ] Problem Solving ] Composite Figures ] Directions and Bearings ] Angles of Elevation and Depression ] Three-Dimensional Problems ] Problem Solving Unit ] Projects ] Symbols ] Index ]

 

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