equations and values

Question 1

sin(30)

Answer 1

1/2

Question 2

sin(0)

Answer 2

0

Question 3

sin(45)

Answer 3

√2/2 or 1/√2

Question 4

sin(60)

Answer 4

√3/2

Question 5

sin(90)

Answer 5

1

Question 6

cos(0)

Answer 6

1

Question 7

cos(30)

Answer 7

√3/2

Question 8

cos(45)

Answer 8

1/√2 or √2/2

Question 9

cos(6)

Answer 9

1/2

Question 10

cos(90)

Answer 10

0

Question 11

tan(0)

Answer 11

0

Question 12

tan(30)

Answer 12

1/√3 or √3/3

Question 13

tan(45)

Answer 13

1

Question 14

tan(60)

Answer 14

√3

Question 15

area of a rectangle

Answer 15

length x width

Question 16

area of a parallelogram

Answer 16

base x perpendicular height

Question 17

area of a triangle

Answer 17

(base x perpendicular height)/2

Question 18

area of a trapezium

Answer 18

1/2 x (a+b) x h

Question 19

circumference of a circle

Answer 19

πd or 2πr

Question 20

area of a circle

Answer 20

πr²

Question 21

pythagoras ‘ theorem

Answer 21

a² + b² = c²

Question 22

trigonometric ratio for tan

Answer 22

tan(x) = opposite/adjacent

Question 23

trigonometric ratio for sine

Answer 23

sin(x) = opposite / hypotenuse

Question 24

trigonometric ratio for cosine

Answer 24

cos(x) = adjacent/hypotenuse

Question 25

quadratic formula

Answer 25

(-b +- √b² - 4ac)/2a

Question 26

volume of a cuboid

Answer 26

length x width x height

Question 27

volume of a prism

Answer 27

corss sectional surface area x length

Question 28

volume of a cylinder

Answer 28

πr² x h

Question 29

volume of a pyramid

Answer 29

1/3 x perpendicular height x area of base

Question 30

speed

Answer 30

distance/time

Question 31

density

Answer 31

mass/volume

Question 32

pressure

Answer 32

force/area

Question 33

sine rule

Answer 33

a/sinA = b/sinB = c/sinC

Question 34

cosine rule

Answer 34

a² = b² + c² - 2bc cosA

Question 35

area of a triangle

Answer 35

1/2 x a x b x sinC