Question

ind the measure of angle A using sin. a~? picture attached down below.

Answer 1

sin(a)=7/10
a=44.43º rounded to nearest hundredth

Answer 2

wait, so how did you find sin?

Answer 3

calculator, you're going to need it for trig

Answer 4

arcsin(7/10)

Answer 5

right, but what number did you base it off to get 44.43?

Answer 6

so 7 over ten multiplied by what to get 44.43?

Answer 7

your calculator should have a key that looks like this:
\[\sin^{-1}\]

Answer 8

it does, so I just put 7/10 inside the ()?

Answer 9

yes, make sure your calculator is in degree mode though

Answer 10

okay, thanks so much!

Answer 11

yw