Answer: dydx=2sec2(x)tan(x)
Step-by-step explanation:
Answer:
The last answer is correct.
Step-by-step explanation:
Answer:
(c) option
Step-by-step explanation:
A = 4pier²
A/4pie = r²
Under root (A/4pie) = r
(c) option
<em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em><em>.</em>
For this case we have to, by definition:

This means that the tangent of angle B will be equal to the leg opposite the angle on the leg adjacent to the same angle.
Then, clearing to have:

Rounding out the value of a we have:

Answer:
Option C