We know, tan x = 1 / cot x
So,tan x = 1/ 0.78
tan x = 1.28
In short,Your Answer would be 1.28
Hope this helps!
Answer:
3 because when x=2 the lines are at y 1 and 3, but the y 1 isn't shaded, so the answer is 3
Answer:

Step-by-step explanation:
The given sequence is 3,15,75,375,...
The first term of this geometric sequence is

The common ratio is

The explicit formula is given by:

We plug the first term and common ratio into the formula to get:
