Question

If triangle ABC is right angled at C, then what is the value of sec (A+B)?​

Answer 1

Answer:

the value of a+b is 90°

hope it helps you

Answer 2

Step-by-step explanation:

A+B+C = 180°

A+B=180°-C

Since the triangle is right angled at C, C= 90°

A+B= 90°

sec(A+B) = sec(90°) which gives an undefined value.