Question

In ΔABC, what is the value of cos B?

513

1213

512

1312

Answer 1

@paki

Answer 2

are you familiar with SOH-CAH-TOA ?

Answer 3

no

Answer 4

okay you will be able to do do all problems like these if you know it

Answer 5

no i wont cuz this is trig and i havn't learned that stuff yet.

Answer 6

SOH- `CAH` -TOA

\[\large \cos(\theta) = \dfrac{\text{adjacent side}}{\text{hypotenuse }}\]

Answer 7

you figure out the sides and plug them in above ^^

Answer 8

whats ^^ mean?

Answer 9

do you know how to figure out adjacent or hypotenuse sides ?

Answer 10

nope

Answer 11

its easy, you walk to the required angle corner of the triangle

Answer 12

since you want to find `cos(B)`, you walk to the corner `B` of the given triangle and stare at the triangle

Answer 13

idk what your talking about lol

Answer 14

what does cos mean?