Question

if sin (A_B) =1/2,cos(A+B) =1/2 find AA and B​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

A=45,B=15

Step-by-step explanation:

given,

sin(A-B)=1/2

cos(A+B)=1/2

let,

sin30=1/2

cos60=1/2

then,

A-B=30-----1

A+B=60-----2

solving equations,

A-B=30

A+B=60

2A=90

A=90/2

A=45

sub.a=45 in equation---2

A+B=60

45+B=60

B=60-45

B=15

Therefore

A=45, B=15

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