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PLEASE MARK ME AS BRAINLEST..
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joycekphilip91:
PLEASE MARK IT AS BRAINLEST
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Step-by-step explanation:.
Cos (A+B)=0
SIN (A-B)=1/2
Cos(A+B)=90°_ (i)
SIN(A-B)=30°(ii)
A+B=90°
A-B=30°
= 2A=120°={A=60°}
PUTTING VALUE OF A IN EQ (i)
B = 60°
Please mark it as brainiest
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