Verify the identity 1 cos t1 cos t csc t cot t2 To verif
     Verify the identity.  1 + cos t/1 - cos t = (csc t + cot t)^2  To verify the identity, start with the more complicated side and transform it to look like other side. Choose the correct transformation and transform the expression at each step.  (csc t + cot t)^2  =  (Do not simplify.)  =  (Simplify your answer.)  =  (Do not factor.0  =  (Factor completely. Do not simplify.)  = 1 + cos t/1 - cos t   
  
  Solution
(1-cost)/(1+ cos t)=(cosec t- cot t)2
(cosec t - cot t)2
cosec t= 1/ sin t and cot t= cos t/sin t
(1/sin t - cos t/sin t)2
We have to write that in the first fill in the blanks
((1-cos t)/sin t)2
we have to write ((1-cos t)/sin t)2 in second fill in the blanks
(1-cos t)2/(sin t)2
And sin2t= 1 - cos2t
(1-cos t)2/(1-cos2t)
We have to write (1-cos t)2/(1-cos2t ) in the third fill in the blanks
factoring the numerator and denominator
(1-cos t)(1-cos t)/(1-cos t)(1+cos t) And we have to write (1-cos t)(1-cos t)/(1+cos t)(1-cos t) in last fill in the blanks

