Answer:
tan 249 = 2.61
tan 249 = tan (249 - 180) = tan 69 = 2.61
D is ur answer bc th ngeavtixe would pull the electric or
We know

How he find:-
The owner will measure speed of light through the index(Diamond or rutile).Then using calculations he fill find which is the velocity of diamond or rutile
<h3> For diamond</h3>





<h3>For rutile</h3>





Answer:
Please help on any part you can. I know it is a lot but any help I’d greatly appreciate. I attempted the problem but still do not understand. Thank you so much!
Explanation:
Please help on any part you can. I know it is a lot but any help I’d greatly appreciate. I attempted the problem but still do not understand. Thank you so much!
