Question

1 - tan square 45 by 1 + tan square 45 is equal to

Answer 1

Answer:

0

Step-by-step explanation:

1-1/1+1

0/2

0 as tan2 45=1

Answer 2

Answer:

$\frac{1 - { \tan }^{2} 45}{1 + { \tan }^{2}45 } \\ \frac{1 - 1}{1 + 1} \\ \frac{0}{2} = 0$

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