Question

If in AABC, C = 90°, find the value of sin (A + B).
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Answer 1

Answer:

lets take a triangle ABC

then given angle C=90 DEGRES

sinA=bc/ab

sinB=ac/ab

1+bc/ab-ac/ab

ab+bc-ac/ab

Answer 2

Answer:

In traingle ABC, C=90°

so, (A+B) =90°(since sum of all three sides equals 180°)

Sin(A+B) =sin90°=1

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Thanku