Question

Evaluate: 10. 1-cot²45°/1+sin²90°

Answer 1

Answer:

0

Step-by-step explanation:

Cot^2 45° = 1

∴ 1-cot^2 45°/1+sin^2 90° = 1-1/1+sin^2 90

=0/1+sin^2 90

= 0

HOPE IT HELPS