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Grade: 11
        
  1.  sin(B+A)+cos(B-A)/sin(B-A)+cos(B+A)
  2. If cosA + cosB=0=sinA + sinB,then cos2A +cos2B=
2 months ago

Answers : (1)

Saurabh Koranglekar
askIITians Faculty
2960 Points
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2 months ago
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