The Cosine Rule (HSC SSCE Mathematics Standard): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What types of triangles can the cosine rule be applied to?
What types of triangles can the cosine rule be applied to?
Any triangle
When should you use the cosine rule to find a third side?
When should you use the cosine rule to find a third side?
When you know two sides & included angle
When should you use the cosine rule to find an angle?
When should you use the cosine rule to find an angle?
When you know all three sides
In , what relationship exists between side and angle ?
In , what relationship exists between side and angle ?
Side is opposite angle
How does the cosine rule relate to Pythagoras' theorem?
How does the cosine rule relate to Pythagoras' theorem?
It's Pythagoras with a correction term
Using with , , , what is (nearest integer)?
Using with , , , what is (nearest integer)?
145
If , what is (3 d.p.)?
If , what is (3 d.p.)?
0.761
What mode should your calculator be in when working with angles in degrees?
What mode should your calculator be in when working with angles in degrees?
Degree mode
Which function finds the angle from a cosine value?
Which function finds the angle from a cosine value?
or arccos
To convert to minutes, what should you do?
To convert to minutes, what should you do?
Multiply 0.682 by 60