No,

is not a subspace of

. A simple counter-example to the contrary: let

with

. However, scaling by -1 gives the vector

and

.
Answer:
Restudy and try to take it again.
Step-by-step explanation:
Try watching math videos and do extra studying on the areas you missed on your last attempt.
Answer:
8
Step-by-step explanation:
Answer:

Step-by-step explanation:
The appropriate trig identity is ...

Here, you have a scale factor of 6 and a=3θ, b=θ. Filling in these values gives ...

Answer:
C
Step-by-step explanation:
Yes, ACD = BCD by AAS since they have 2 congruent angles & share a side.