Year 10
Higher
Use the cosine rule to find a missing angle
Year 10
Higher
Use the cosine rule to find a missing angle
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Lesson details
Key learning points
- In this lesson, we will learn how to substitute into the cosine rule to find a missing angle in a non right angled triangle
Licence
This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
3 Questions
Q1.

a
c
d
Q2.

a
c
d
Q3.

b
c