Answer:
Option C. 
Step-by-step explanation:
we know that
In the right triangle ABC
The tangent of angle B is equal to the opposite side angle B divided by the adjacent side angle B

substitute the values

Answer:
It would take him 3 minutes
Step-by-step explanation:
15 x 3 = 45
We have sec =
1/cos
Then we also have
cos^2 = 1 – sin^2
Also we have cos = sqrt (1 – sin^2)
Substitute the derived cosine function to sec then we
have
Sec = 1/(sqrt(1-sin^2)
Answer:
C. 2^8p=2^5p+15
Step-by-step explanation:
1a+18=7a
18=7a-1a
18=6a
6a=18
a=18/6
a=3