Answer:
First Quadrant
Step-by-step explanation:
Quadrant I : <u>sin</u>, cos, tan, cot, <u>sec</u>, cosec
Quadrant II : sin, cosec
Quadrant III : tan, cot
Quadrant IV : cos , sec
U would add it even though it looks like u need to multiply but u don’t. In order to add, u need to find the lcd of them both which is 12. 10/12 + 9/12. 19/12 or 1 7/12.
3003 units^3.
Just multiply the dimensions :
11 * 13 * 21
= 143 * 21
= 3003 units^3.
C
