Question

if sin 53 degrees is close to 4/5, which is closest to the length of NO?

Answer 1

theres a right triangle at the top that got cut off

Answer 2

@hartnn

Answer 3

a. 4
b.80
c. 20
d.10

Answer 4

sin = opposite side / hypotenuse

Answer 5

so,

sin 53 = NO/ 100

Answer 6

4/5 = NO / 100

find NO from here

Answer 7

would the answer be 80?

Answer 8

because 4/5 of 100 is 80

Answer 9

80 is correct :)

Answer 10

Yay!!!! thank you thank you thank you

Answer 11

welcome ^_^
happy to help :)

Answer 12

okay heres my last one!

Answer 13

a = amplitude = 4

period = 2pi/ b = pi/2
find b from here

Answer 14

would b be 4?

Answer 15

correct!
so you have the equation now

Answer 16

is the answer b ? i'm not sure

Answer 17

i take it back it's C!

Answer 18

y = - 4 sin 4 theta

Answer 19

yes! correct :)