At θ = 90°, the equation must evaluate to zero. The only one that does that is the 1st choice ...
r = 2 - 2sin(θ)
Photomath i use it for my math all the time it gives you the option for how you wanna solve it and shows you how to solve it
Answer:
30
Step-by-step explanation:
if its asking for inches
Three hundred and ten million seven hundred and sixty three one hundred and thirty six