if sin (A+2b)= 1/2 , cos(A+4b)=1/√2B Find A+B
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if sin (A+2b)= 1/2 , cos(A+4b)=1/√2B Find A+B
pls do fast
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Step-by-step explanation:
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Answer:
A+2B= sin^-1(1/2)=30 ....1
A+4B=45 ....2
substrate eq 1 from 2 we get
A+B = 22.5