If in ΔABC, ∠C = 90°, then sin (A + B) = . pls hurry
a. 1/2
b. 0
c. 1
d. 1/√2
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2
Answer:
1 is the correct answee
Answered by
0
Answer:
in triangle ∆ABC
A+B+C = 180°
A+B = 90°
sin(A+B) = sin90° = 1
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