Question

9. If AABC is right angled at C, then the value of sin (A+B) is-
(a) 0 (b)1/2 (c) 1 (d) 1√2​

Answer 1

Answer:

1

Step-by-step explanation:

Sin(A + B) = Sin90° = 1

in∆ABC

If angle C is 90 degree then Sum of angle A and Angle B must be 90 according to sum of angle of Triangle

Answer 2

Answer:

1

Step-by-step explanation:

a+b=180+c =180-90=90

a+b=180+c =180-90=90sin a+b =sin 90=1

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