Answer:
use math w a y for that its easier and it will give you the right answer
Answer:

Step-by-step explanation:
The trigonometric identity is :

We need to express secθ in terms of tanθ.
The above equation becomes,

Hence, this is the required solution.
18=3(x-1)
18=3x-3
18-3=3x
15=3x
15/3=x
x=5
Answer:
b (1)= 4
b (n)= b (n-1)+ 18
Step-by-step explanation:
Answer:A is correctly scientifically notated
B is incorrect
C is correctly notated
D is correct. 10 to the zero power simply means “1”
Step-by-step explanation: