Answer:
see explanation
Step-by-step explanation:
Consider the left side
1 + cot²A
= 1 + 
= 
= 
= cosec²A
= right side, thus proven
Answer:
28/3 or 9⅓
Step-by-step explanation:
2/3 = x/14
x = 2×14/3
x = 28/3
Answer:
3 and 5
Step-by-step explanation:
use the guess and check method form the numbers 1, 3, 5 since only the square of these 3 numbers are under 34.
Answer:
$76.80
Step-by-step explanation:
128 mm is the corrrect but not corre I by score u should.