Recall the double angle identity:

With
measuring between 0º and 90º, we know
. So from the Pythagorean identity, we get

Then

Answer:
Select all the expressions that equal -2 + 5.
A
-2 - (-5)
B
-2 - 5
C
5 - 2
D
5 + (-2)
Step-by-step explanation:
(4,2) is is the distance from these coordinates
Answer:
262 m^3 is the volume of the cone
Answer:
Step-by-step explanation: