Math, asked by priyanshugupta1705, 10 months ago

Please solve this.....

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Answered by chandupeddinti9490
0
  • Answer:\pi /3\\

Step-by-step explanation:

det of sinA   cosB

          cosA    sinB

  = -1/2

=sinAsinB-cosAcosB=-1/2

cosAcosB-sinAsinB=1/2

cos(A+B)=1/2

A+B=cos^-1(1/2)

A+B=\pi /3

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