Question

1+sinA/cosA=√2+1 find 1-sinA/cosA=? with explanation

Answer 1

this is the solution

Answer 2

√2+1=1+sinA/cosA

=>1/√2+1=cosA/1+sinA

=cosA(1-sinA)/(1+sinA)(1-sinA)

=cosA-sinA*cosA/1-sin^2 A

=cosA(1-sinA)/cos^2 A

=1-sinA/cosA

so 1-sinA/cosA=1/√2+1=√2-1