R = 2 / (1 + sin <span>θ)
Using the following relations:
R = sqrt (x^2 + y^2)
sin </span>θ = y/R
<span>
R = 2 / (1 + y/R)
R</span>(1 + y/R<span>) = 2
</span><span>R + y = 2
R = 2 - y
sqrt(x^2 + y^2) = 2 - y
Squaring both sides:
x^2 + y^2 = (2 - y)^2
x^2 + y^2 = 4 - 4y + y^2
x^2 + 4y - 4
</span>
Answer:
the last option is the correct one
Step-by-step explanation:
This is
{HH, TT, TH, HT} where H = head and T = tail
Answer:
B. 7.967
Step-by-step explanation:
Answer:
(8h - 3.2h) + (-7.7d + 5d) - 17 = 4.8h - 2.7d - 17
