Question

prove that 1/1+sin Q+1/1-sin Q=2 sec²Q​

Answer 1

i hope it helps you! Thank you!

Answer 2

Step-by-step explanation:

1+1/sinQ +1+1/sinQ

=(1-sinQ)+(1+sinQ)/(1+sinQ)*(1-sinQ)

=2/1^2-sin^2Q

=2/1-sin^2Q

=2/cos^Q

=2 sec^2Q      [since, 1/cos^2 Q = sec^Q]