Question

cos∅/1-sin∅ - cos∅/1+sin∅ = 2 tan∅

Answer 1

Step-by-step explanation:

taking L.C.M.

cos@(1+sin@)-cos@(1-sin@)/(1-sin@)(1+sin@)

cos@+cos@sin@-cos@+cos@sin@/1-sin^2@

2cos@sin@/1-sin^2@

2cos@sin@/cos^2@ :1-sin^2@=cos^2

by cutting

2sin@/cos@

2tan@