Using the sine and cosine rules together (AQA GCSE Further Maths): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
Which rule should you use when given all three side lengths of a triangle?
Which rule should you use when given all three side lengths of a triangle?
Cosine rule
You have two sides and the included angle. Which rule finds the third side?
You have two sides and the included angle. Which rule finds the third side?
Cosine rule
You have two angles and one side. Which rule should you use first?
You have two angles and one side. Which rule should you use first?
Sine rule
How many independent pieces of information do you need to solve any triangle?
How many independent pieces of information do you need to solve any triangle?
Three
Why aren't three angles alone sufficient to solve a triangle?
Why aren't three angles alone sufficient to solve a triangle?
They aren't independent measurements
Which formula represents the cosine rule for finding a side?
Which formula represents the cosine rule for finding a side?
What is the correct form of the sine rule?
What is the correct form of the sine rule?
What is the area formula for a triangle using two sides and an angle?
What is the area formula for a triangle using two sides and an angle?
In which direction are bearings measured?
In which direction are bearings measured?
Clockwise from North
When using sine rule, which scenario might give two possible solutions?
When using sine rule, which scenario might give two possible solutions?
Two sides, non-included angle
What should you do with intermediate values during multi-step calculations?
What should you do with intermediate values during multi-step calculations?
Keep them in your calculator
What is the first step recommended for any triangle problem?
What is the first step recommended for any triangle problem?
Draw a diagram