Answers edited by Subha

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• Question #0179e
  
• Question #e39a0
  
• Question #0967f
  
• Question #0967f
  
• How do you simplify the expression #1+tan^2x#?
  
• How do you evaluate #3\frac { 7} { 10} \times 3\frac { 1} { 2} #?
  
• Question #fa39d
  
• Question #f7c1b
  
• How do you simplify #cos(sin^-1 x)#?
  
• What are aromatic compounds?
  
• 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?
  
• Question #e91ca
  
• Why can only the tertiary and secondary alcohol react in Lucas reagent?