Question

in the triangle below determine the value of a

Answer 1

Do you remember SOH CAH TOA?

Answer 2

yes

Answer 3

Yeah we have adjacent and hypotenuse, which of these 3 will you use? SOH CAH TOA?

Answer 4

Which one of these?
\[\sin(x)=\frac{opposite}{hypotenuse} \\ \\ \cos(x)=\frac{adjacent}{hypotenuse} \\ \\ \tan(x)=\frac{opposite}{adjacent}\]

Answer 5

i will chose tan

Answer 6

Why? you should've chosen cosine because it has adjacent and hypotenuse

Answer 7

So
\[\cos(35)=\frac{a}{5} \\ \\ a=5\cos(35)\]
Solve for a

Answer 8

is it 4.1

Answer 9

Correct

Answer 10

thank you

Answer 11

yw