Question

5. If triangle ABC is right angled at C, then the value of sec (A+B) is
(a) o
(b) 1
(d) not defined
​

Answer 1

Answer:

not defined is the answer

Answer 2

Answer:

d) Not defined

Step-by-step explanation:

The sum of the all the angles of a triangle must be 180 degree.

If angle C is 90° than the other two must add up to 90°

But 1+1=2

And 0+0=0

So the answer is not defined