Higher

Use the cosine rule to find a missing angle

Higher

Use the cosine rule to find a missing angle

Lesson details

Key learning points

  1. 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.

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3 Questions

Q1.
Correct answer: a
b
c
Q2.
a
Correct answer: b
c
Q3.
a
b
Correct answer: c

3 Questions

Q1.
a
Correct answer: b
c
d
Q2.
a
Correct answer: b
c
d
Q3.
Correct answer: a
b
c

Lesson appears in

UnitMaths / Advanced Trigonometry 1