Question

What is the value of (tan45°)²-(cot45°)²+(sin90°)²-(cos0°)²​

Answer 1

Answer:

0

Step-by-step explanation:

(tan45°)²=1²=1

(cot45°)²=1²=1

(sin90°)²=1²=1

(cos0°)²=1²=1

1-1+1-1=0