Answers edited by Subha

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• How do you simplify the expression #1+tan^2x#?
  
• Question #e91ca
  
• Question #fa39d
  
• How do you simplify #cos(sin^-1 x)#?
  
• How do you evaluate #3\frac { 7} { 10} \times 3\frac { 1} { 2} #?
  
• Why can only the tertiary and secondary alcohol react in Lucas reagent?
  
• Question #f7c1b
  
• What are aromatic compounds?
  
• Question #e39a0
  
• Question #0967f
  
• Question #0967f
  
• Question #0179e
  
• A circular loop of radius a , carrying a current I ,is placed in a 2D magnetic field. The centre of the loop coincides with the centre of the field. The strength of magnetic field at the periphery of loop is B. Find the magnetic force on the wire?