Question

(1-tanA)^2 +(1+tanA)^2 = 2sec^2A​

Answer 1

Answer:

1²-2tanA+tan²A+1²+2tan +tan²A

1+1+2tan²A

2+2tan²A

2(1+tan²A)

2sec²A (sec²A-tan²A=1)

Answer 2

Step-by-step explanation:

it it ok ............ please tell me