Question

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Answer 1

What is sin in terms of the sides?

Is it
opposite side/ hypotenuse
adjacent side/hypotenuse
opposite side/ adjacent side

Answer 2

And similarly what is it for cos?

Answer 3

Use the pythagorean theorem to get your hypotenuse

Your 2 legs are the lengths of 12 and 5

12^2+5^2=c^2

solve for C

Then just remember that sin=opp/hyp

and that cos=adj/hyp

Answer 4

Oh okay so would C be: 169?

Answer 5

Right, now take the square root of that

Answer 6

13?

Answer 7

so the hypotenuse would be:
sqrt 13
correct or wrong?

Answer 8

Just 13, not the sqrt of 13

Answer 9

oh okay. so
Sin x = 5/13
Cos y = 5/13
they are both the same?

Answer 10

Yes, corrrect :)

Answer 11

how would i explain the relationship between the ratios though? i know that they are the same but that's about how much i can put into words lol.

Answer 12

Well, saying that they are the same sounds perfectly fine. Just write that the sin and cos of the opposing angles are identical.

Answer 13

As the adjacent side of angle Y is the same as the opposite side of angle x

Answer 14

all good?

Answer 15

Sounds good thank you!!

Answer 16

yw :)