Question

cos∅ /1+sin∅
tell this answer please​

Answer 1

Step-by-step explanation:

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

=cos@ (1-sin@)/(1-sin^2@)

=cos@(1-sin@)/cos^2@

=1-sin@/cos@