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Mathematics · Measurement & Trigonometry
Inverse Trig Explorer, Years 9–10
Students identify the two known sides of a right triangle, choose the appropriate inverse trigonometric function and calculate a missing reference angle across guided contextual problems. The full interactive is available to licensed Education Universe users.
Years 9–10Explorer
Learning outcomes
- Choose the correct inverse trigonometric function.
- Calculate an unknown angle in a right triangle.
Teaching guidance
Ask students to estimate the angle before calculating, then compare.
Use Inverse Trig Explorer with your class
Start a free 30-day trial with class codes and progress tracking, or talk to us about your school's licence.
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Inverse Trig Explorer is one of the licensed interactives in The Education Universe. This page describes it; teachers use it in lessons and classes with a licence or the free trial.