Question

tell this answer please​

Answer 1

Answer:

(1-sin²0 )sec²0

cos²0 *sec²0

1-cos²0/ cos²0

=cos²0/ cos²0=1

Answer 2

Answer:

(1-sin²thetha)sec²thetha

=cos²thetha×sec²thetha

=cos²thetha/cos²thetha

=1