Question

The figure shows a triangular piece of cloth.

What is the length of the portion BC of the cloth?

5 cos 38°





5 sin 38°

Answer 1

B cos38/5
C sin38/5

Answer 2

@Nali help again please.

Answer 3

ok do u know about cos and sin

Answer 4

@ciscoboi8

Answer 5

yes

Answer 6

cos adj/hypo
sin opp/hypo

Answer 7

so u know that sin = oppposite / hypotenuse
and cos = adjacent/hypotenuse

Answer 8

yes

Answer 9

ok knowin that how would U find the answer

Answer 10

what would u use ?

Answer 11

cos

Answer 12

ok and how would u set up the equation

Answer 13

cos38/5

Answer 14

no that is not right
ok tell to me and include x as the BC length

Answer 15

BC =5

Answer 16

im sorry i really dont get this part as much

Answer 17

we have to use sin becuse sin = opposite over hypotenuse