Answer: Normally C/C++
Step-by-step explanation:
http://www.purplemath.com/modules/specfact.htm
So, when we're tasked with things like this, rewriting everything in terms of sine and cosine and combining fractions often trivializes things, so doing just that gives us:

So out expression is 1/cos(x).
The answer should be 2(2b+3)
The top answer on your screen is the answer. Hope this help