Answer:

Step-by-step explanation:
You can see the attached picture
So the problem ask to simplify the trigonometric function in your problem and base on the expression and using the theory in simplifying trigonometric function, the answer would be letter B. 2 sec^2 theta. I hope you are satisfied with my answer and feel free to ask for more
Answer:
I think the calculation answer will be 9,999,811,112
Answer:
Yes.
Step-by-step explanation:
Yes , for example a parent might be 48 and the child 32 years old. The parent had the child when they were 16.