Question

cosec2 45 + Tan 2 45 - 3 sin 90​

Answer 1

${ \csc }^{2} 45 + { \tan }^{2} 45 - 3 \sin(90)$

${ \sqrt{2} }^{2} + {1}^{2} - 3(1)$

$2 + 1 - 3$

$3 - 3$

$0$

Hence answer is zero..

Answer 2

Answer:

0  Step by Step Explanation