Question

What is sin A for the triangle shown?

Answer 1

Triangle..?

Answer 2

hangon

Answer 3

Sin
SOH
Sin= Opposite/Hypotenuse

Answer 4

ok

Answer 5

Okay, do you have a calculator with you?

Answer 6

yes

Answer 7

Okay good! So they are asking you to find the degree measure of A basically.
Therefore. If you need to fine the degree. You will need to use the inverse, agree?

Answer 8

In this case you would use the inverse of Sine.

Answer 9

Sin is the
Opposite/Hypotenuse.

Opposite A we see the measure is 8
The hypotenuse is the measure 17

Answer 10

Thus the fraction is 8/17

Answer 11

You would take you calculator and punch in
Sin(-1) or Sin inverse
In my calculator it write like this:
\[Sin ^{-1}\]

But in your calculator you punch in

\[\sin ^{-1}(8/17)\]

Answer 12

And then press enter..

Answer 13

What answer did you come up with?

Answer 14

8.213221784?????? did i do this right

Answer 15

How did you puch it into the calculator?