Pythagoras' Theorem and Trigonometry: Maths AQA: GCSE (9:1)
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15 Terms
How do you find the length of the hypotenuse in a right angle triangle?
a²+b²=c²
What is Pythagoras' Theorem?
a²+b²=c²
How do you find a shorter side of a right angled triangle using Pythagorus' Theorem?
a² = c² - b² or b² = c² - a²
What is the side opposite of the right angle?
hypotenuse
What are the names of the three sides on a right angled triangle?
Hypotenuse, opposite and adjacent
What is a trigonometric ratio?
a ratio of two sides of a right triangle
What is the acronym for the trigonometry functions?
SOH CAH TOA
What is the sin ratio?
sin = opposite / hypotenuse
what is the cos ratio?
cos = adjacent / hypotenuse
what is the tan ratio
tan = opposite / adjacent
What is the exact value of sin(30)?
1/2
What is the exact value of tan(45)?
1
What is the exact value of cos(0) and sin(90)?
1
Bearings should usually have how many figures?
three
