2 thousands 9 tens and 18 ones in standard form is 2,108.
Answer:
a.25
b.-23
c.17
Step-by-step explanation:
Plug each value in for x and solve
Csc²x - 1
1/sin²x - 1
1/sin²x - sin²x / sin²x
(1 - sin²x) / sin²x
Recall that sin²x + cos²x = 1
So cos²x = 1 - sin²x
So we can replace numerator to cos²x
cos²x / sin²x
= cot²x
Final answer: cot²x
15% off
$20 is 100%
$10 is 50%
$1 is 5%
Use that to work them out and voila
Answer:
4n^2
Step-by-step explanation:
8n+4n^2-8n
The first 8n + the other 8n is 0 because you combine like terms