Answer:
What kind of help you want ?
In the first quadrant, 0-90 degrees, the angle whose cotangent is is 45 degrees. The only other quadrant where cot theta is 1 is 3rd quadrant.
The 2 angles are 45 and 180+45 = 225 degrees
Answer 45 , 225 degrees.
9 would be ur answer....because 9 is an odd number greater then 2, but it is not a prime number