Answer:
- 
Step-by-step explanation:
Given
← cancel sec x on numerator/ denominator
= 
= - 
I don't because I can't see
Solution:
Given:

The zeros of a function are the values of x when f(x) is equal to 0.
Hence,

Therefore, x = 1
The correct answer is OPTION A.
Exact Form:
√15/4 -1/3
Decimal Form:
0.63491250
The answer is 15.25. Hope this helps