How do you prove [cosx/(1-sinx)] + [(1-sinx)/cosx]=2secx?
1 Answer
Apr 16, 2015
Just add like ordinary fractions. LCD is (1-sinx)cosx. The sum would be
=
=
=2secx
Just add like ordinary fractions. LCD is (1-sinx)cosx. The sum would be
=
=
=2secx