Question

using sin, cos or tan find the value of X

Answer 1

SOH-CAH-TOA

Answer 2

go to the given angle corner, and look at the triangle.
figure out wat adjacent side and hypotenuse are

Answer 3

adjacent is x
and opposite is unknown

Answer 4

hypotenuse is 11

Answer 5

yes !

Answer 6

so we use cos

Answer 7

you want to find x, which is adjacent
you knw the hypotenuse

so, which trig ratio helps us ?

Answer 8

yes, cos !!

Answer 9

\[\cos 41=\frac{ x }{ 11 }\]

Answer 10

perfect !

Answer 11

\[(11*)\cos 41=\frac{ x }{ 11 }*11\]
\[11\cos 41=8.3\]

Answer 12

8.3 = \(\large \color{red}{\checkmark}\)

Answer 13

so i did it right :DDD

Answer 14

you did great :) good work !!

Answer 15

thanks i think i understand this now

Answer 16

good :D