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

Order a 12-month Year 7 Interactive Maths software Homework Licence for only $19.95. Order a 12-month Year 8 Interactive Maths software Homework Licence for only $19.95. Order a 12-month Year 9 Interactive Maths software Homework Licence for only $19.95. Order a 12-month Year 10 Interactive Maths software Homework Licence for only $19.95.

Year 10 Interactive Maths - Second Edition


Finding Angles

We can use inverse trigonometric functions to find the angle(s) of a right-angled triangle if we know the length of any two sides.


Using Inverse Sine

Example 10

Solution:


Example 11

Solution:


Key Terms

inverse sine, inverse sin

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