Question

in ∆ABC,right angle at C,what the value of sin (A+B)​

Answer 1

Answer:⤵️

1

Step-by-step explanation:⤵️

given,

c is right angle

=> c = 90°

in ∆ABC

A+B+C = 180°

=> A+B+90° = 180°

=> A+B = 180° - 90°

=> A+B = 90°

than,

sin(A+B) = Sin90° = 1