Flashcards
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Cards in this deck (12)
- 1What is pythagoras' theorem?c squared = a squared+ b squared
- 2Sine is equal to?opposite/hypotenuse
- 3Tan is equal to?opposite/adjacent
- 4cos is equal to?adjacent/hypotenuse
- 5what is a true bearing?the bearing of an object is the angle measured in a clockwise direction from north to the object.
- 6what is the sine rule?a/sinA = b/sinB = c/sinC
- 7use the cosine rule when?-two sides
-and their included angle
-three sides of a triangle - 8what is an included angle?an angle between two sides that form the arms of the angle
- 9what rule states 'in any triangle, the lengths of the sides are proportional to the sines of the opposite angles'?the sine rule
- 10what is the formula to find the area of a 3D triangle?Area=1/2 ab SineC
- 11What does the area of a triangle rule state?in any triangle you need 2 sides and 1 angle.
- 12what is the formula for the cosine rule when finding the missing SIDE of a not right angled triangles?a squared= b squared + c squared - 2bc cos A
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- MATHS Flashcards on Untitled, created by ashlee.walsh22 on 23/02/2014.
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- ashlee.walsh22
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