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Grade: 9 
        If cosx/a=cos(x+y)/b=cos(x+2y)/c=cos(x+3y)/d. Then b+d/a+c=?
2 years ago

Answers : (1)

Nishant Vora
IIT Patna
askIITians Faculty
2468 Points 
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2 years ago
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Course Features

  • 31 Video Lectures
  • Revision Notes
  • Test paper with Video Solution
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Previous Year Exam Questions


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