Question

Given: The length of side x is 89.75 cm.

To the nearest hundredth of a centimeter, what is the length of side y?

Answer 1

do you remember you basic trig equations? sin, cos, and tan?

Answer 2

i know sin con taa

Answer 3

so you would use sin, cos, or tan. Do you know which one to use?

Answer 4

sin

Answer 5

since you know the angle and the side that is opposite the angle which one would you use?

Answer 6

why sin? Can you please show me?

Answer 7

no cos

Answer 8

no tan

Answer 9

what is sin(theta) = ? / ?

Answer 10

sin is opp / hype

Answer 11

so we could use sin, but then we would have to include an extra step. Try tan instead?

Answer 12

okay

Answer 13

what is tan?

Answer 14

i think addj/opp

Answer 15

@MightyChondrion please don't give the answer away...

Answer 16

\[\tan (30)=opp/adj\]
Thus
\[\tan (30)=(89.75)/(y)\]
Hence
\[y=(89.75)/(\tan(30))\]
So
y=155.45156

Answer 17

My bad

Answer 18

@MightyChondrion what did I tell you. I will report you next time you do this

Answer 19

I was not looking at the messages, only the keyboard. I sincerely apologize.

Answer 20

so i put 155.45

Answer 21

@MightyChondrion okay well next time just don't give the answer away, instead teach the person how to obtain the sol.

Answer 22

so do i put 155.45