1.

If Sin (A-B) -1/2 and CostA+B) = 1/2 find A and B​

Answer»

Answer:

15

Step-by-step EXPLANATION:

Sin (A-B)=1/2     ALSO  Sin60°=1/2  therefore A-B=60

Cos (A+B)=1/2   also cos 30°=1/2.    Therefore A+B=30

Now by elimination method we GET A=45.

SUBSTITUTE THE VALUE OF A IN ANY ONE EQUATION TO GET B=15



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