5
19. Find A and B. it sin (A
A + B) = = cos (A-B), (where A and B are acute angles).
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Answered by
1
Answer:
A+B=45°--------(1)
A-B=45°--------(2)
solving the equation by elimination method....
A=45°
on putting value of A* in equation 1::--
B=0°
Answered by
0
Step-by-step explanation:
Kolkata .........is ans
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