janeasmith39
janeasmith39 janeasmith39
  • 02-03-2018
  • Mathematics
contestada

Can someone help me understand how to do this ?

Can someone help me understand how to do this class=

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iGreen
iGreen iGreen
  • 02-03-2018
I'll do the first two.

1.

Just use sine. Sine is equal to Opposite/Hypotenuse.

sin(x) = 24/40

Find the inverse sin of both sides:

x ≈ 36.90°

2.

You only know the side opposite and the side adjacent to angle M, so use tangent.

tan(x) = 27/36

Take the inverse of tangent of both sides:

x ≈ 36.90°
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