Question

Find the value of Cosec2 45º – Cos2 45°​

Answer 1

ANSWER :

$cosec {}^{2} 45 - cos {}^{2} 45 \\ \\ = 1 - \frac{1}{ \sqrt{2} } = \frac{ \sqrt{2} - 1 }{ \sqrt{2} }$

Answer 2

Step-by-step explanation:

cosec2 45=√2

cos2 45=1÷√2