Now, we know that 90°< θ <180°, that simply means the angle θ is in the II quadrant, where sine is positive and cosine is negative.

 
 
        
        
        
Please read the attached file
 
        
        
        
Let number = n
the sum of a number and 2: n + 2
is no more than: ≤
the product of 9 and the same number: 9(n)
n + 2 ≤ 9n is your answer
hope this helps