my question would be, if the 15 degree angle is between the water level (the boat) and the anchor line, then one Would want to use sine, because one is measuring the distance from anchor to surface, opposite the angle.
#14 use distance formula:
1st setup. You're looking for the Hyp. Cos is Adj/Hyp
Your tan setup is upside down. Tan is Opp/Adj. You are given the Adj. You would use tan when given either the Opp or Adj, and want to find the other.
E=mC^2 E is energy, m is mass, C is speed of light. As energy increases, mass decreases proportionally.
E/m=C^2
Set up is almost correct, but cos=adj/hyp. your setup will give you distance of the bottom of the ladder from the wall. Sin is Opp/Hyp, ergo height of the top of the ladder on the wall.
What you're looking for is the length of the adjacent side. Given the opposite side is 564, and tan=opp/adj.
Let x=adj
then tan(75)=564/x. Multiply both sides by x
xTan(75)=564 Divide both sides by tan(75)
x=564/tan(75)
y=ab^x
let a=5 and b=3
y=5(3^x) passes through points (0,5) &(1,15)
not sure if this is what you're looking for
To divide fractions, invert and multiply.
ie. 1/4 ÷ 2/1 = 1/4 x 1/2 = 1/8
