if cosx-sinacotbsinx=cosa, then tan(x/2) is equal to Share with your friends Share 2 Manbar Singh answered this Dear Student,As the given expression is unclear in your question, so I am assuming your question as :If cos x = sin a cot b and sin x = cos a, find tanx2Here is the answer.tan x2 = sin x/2cosx/2=2 sin x/2 cosx/22 cos2x/2=sin x1 + cos x=cos a1 + sin a . cot b -12 View Full Answer
