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Edexcel GCSE Maths Higher > equations and values > Flashcards

Flashcards in equations and values Deck (35)
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1

sin(30)

1/2

2

sin(0)

0

3

sin(45)

√2/2 or 1/√2

4

sin(60)

√3/2

5

sin(90)

1

6

cos(0)

1

7

cos(30)

√3/2

8

cos(45)

1/√2 or √2/2

9

cos(6)

1/2

10

cos(90)

0

11

tan(0)

0

12

tan(30)

1/√3 or √3/3

13

tan(45)

1

14

tan(60)

√3

15

area of a rectangle

length x width

16

area of a parallelogram

base x perpendicular height

17

area of a triangle

(base x perpendicular height)/2

18

area of a trapezium

1/2 x (a+b) x h

19

circumference of a circle

πd or 2πr

20

area of a circle

πr²

21

pythagoras ' theorem

a² + b² = c²

22

trigonometric ratio for tan

tan(x) = opposite/adjacent

23

trigonometric ratio for sine

sin(x) = opposite / hypotenuse

24

trigonometric ratio for cosine

cos(x) = adjacent/hypotenuse

25

quadratic formula

(-b +- √b² - 4ac)/2a

26

volume of a cuboid

length x width x height

27

volume of a prism

corss sectional surface area x length

28

volume of a cylinder

πr² x h

29

volume of a pyramid

1/3 x perpendicular height x area of base

30

speed

distance/time