When you separate them

Solve them separately:

Remove the denominators:

Find GCF (Greatest Common Factor):
Answer: The answer is 81.
Answer: 
Step-by-step explanation:
Since we have given that

And we know that θ is in the Fourth Quadrant.
So, Except cosθ and sec θ, all trigonometric ratios will be negative.
As we know the "Trigonometric Identity":

It must be negative due to its presence in Fourth quadrant.
Hence, 
7.980 divide by 0.19 is 42.