Question

given tan a is equal to 4 upon 3 find cosec a upon Cos A minus sec a

Answer 1

P=4

B=3

therefore,Hy=b by pythagoras theorum

cosecA=5/4

cotA=3/4

secA=5/3

cosecA/cotA=5/4 / 3/4
  =5/4 * 4/3
  =5/3
cosecA/cotA - secA  =  5/3-5/3  =  0