Finding Exact Trig Values WORKSHEET
Suitable for Year groups: Year 9, Year 10
GCSE Tier: Foundation/Higher
Targeting grades: 4-5
Prerequisite knowledge: Pythagoras' Theorem, Trigonometry (SOHCAHTOA), reading from graphs.
Finding Exact Trig Values WORKSHEET DESCRIPTION
This worksheet leads learners through finding the exact trigonometric ratios for 0, 30, 45, 60 and 90 degrees.
Section A introduces the concept of the unit circle and asks learners to estimate values from reading from the graph.
Section B then introduces the first of the special triangles that can help learners derive some of the values.
Sections C and D use the triangles and ask for tables of the ratios to be completed.
Section E then asks for all of the values to be summarised in a new table.
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Frequently Asked Questions
This exact trigonometric values worksheet is designed for students in Year 9 and Year 10 and aligns with the UK National Curriculum.