Question

1-cot²45 is equal to ----------.

1+cot²45

(A) Sin 0 (B) Sin 90 (C) Sin 45 (D) Sin 30. answer pls​

Answer 1

Answer:

(A) Sin 0 is the answer. hope it helps you.

Answer 2

Answer:

$\sin {0}^{o}$

is right answer .

Step-by-step explanation:

$put \: cot {45}^{o} = 1 \\ = \frac{1 - 1}{1 + 1} \\ = \frac{0}{2} \\ = 0 = \sin {0}^{o}$