Question

1-tan square 45 degree upon 1+tan square 45 degree

Answer 1

=(1-tan^2 45 )/(1+tan^2 45)

= (1-1)/(1+1)

= 0/2

=0

Answer 2

Answer:

Step-by-step explanation:

1 - 1/ 1 +1 .........(tan45* = 1)

0/1

0

There fore ans is 0

Hope helpful to u