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:

the answer is not defined

please Make It As Brainlist Answer Matt

Answer 2

Answer:

Step-by-step explanation:

At first:A+B+C=180°

#A+B=180°-90°(C=90°)

#A+B=90°.

Now: sec(A+B)=sec 90°

#1/cos90°=1/0=not defined

(c)-not defined