Answer:
its C
Step-by-step explanation:
Answer:
A = 4 in^2
Step-by-step explanation:
The area is given by
A = l*w
A = 1in * 4 in
A = 4 in^2
Answer:
Step-by-step explanation:
The trigonometric function secant is the reciprocal of cosine:
For :
(1)
On the other hand, it is known , hence:
(2)
In addition, it is known (3)
Substituting this on (1):
(4)
(5)
(6)
Finally: