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If sin (A-B) =(1)/(2) ,cos (A+B) =(1)/(...

If ` sin (A-B) =(1)/(2) ,cos (A+B) =(1)/(2) ,`where `0^(@) angle A +B le 90 ^(@) and A gt B ` find A and B

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The correct Answer is:
`A= 45^(@) and B= 15^(@) `
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