tan ∅ and cot ∅
tan ∅ is undefined for ∅ = 
and since cot ∅ = 1/ tan ∅ then cot ∅ is also undefined for ∅ =
Answer:
just a random Teenage who's been through the same thing
Step-by-step explanation:
if you really care about what your mom think I'd suggest changing some thing's about you . maybe study more or something . if you don't usually try then go ahead try harder.
but if youre doing everything right but your cousin just seem to be better then you can't do much but try to explain to her that you're trying your best
stay safe and don't do anything you'd regret
The triangle could be isosceles or scalene. It cannot be equilateral since all angles in that triangle would be 60 degrees. This prevents two sides from being perpendicular. Hope this helps!
Answer:
Step-by-step explanation:
The formula to calculate the surface area of a sphere is the following:
Where A is the area of the sphere and r is the radius of the sphere.
In this case we know that the diameter d of the sphere is:
The diameter is:
.
Thus
Then the surface area of the sphere is:
