Question

What is the length of the support AB?

7 divided by cos 45 degrees
7 tan 45°
7 divided by sin 45 degrees
7 cos 45°

Answer 1

can you tell me what you think

Answer 2

a

Answer 3

yes a

Answer 4

@snowflake0531

Answer 5

It's not cosine

Answer 6

so is it c ?

Answer 7

\[\sin (45) = \frac {7}{AB} ~~~ \sin(45)AB = 7~~~AB= \frac{7}{\sin(45)}\]