Question

Prove the attached question

Answer 1

Answer:

sin^2 thita + sec^2 thita +cos^2 thita + cosec^2 thita

=sin^2thita +cos^2thita +sec^2thita + cosec ^2thita

=1 +sec^2thita +cosec^2thita..

(sin^2thita +cos^2thita =1..)

=(1+sec + cosec)^2...

...

hope this helps you...