Everything Maths Grade 10

g)

23 ◦

g

32

h)

30 ◦

h

20

i)

x

55 ◦

9,R

j)

4,23

65 ◦

x

2.Write down two ratios for each of the following in terms of the sides:AB;BC;BD;AD;DCandAC.

B

C

A D

a)sinB^

b)cosD^

c)tanB^

3.In△M N P,N^= 90°,M P= 20andP^= 40°. CalculateN PandM N(correct to 2 decimal places).

Chapter 5. Trigonometry 125