Sin² x + sin x cos x = 0
sin x ( sin x + cos x ) = 0
sin x = 0 ; x 1 = k π ; k ∈ Z
sin x + cos x = 0 / ²
sin² x + 2 sin x cos x + cos² x = 0
2 sin x cos x + 1 =0
sin ( 2 x ) = - 1
x = 3π / 2 + 2 kπ / : 2
x 2 = 3π / 4 + kπ ; k ∈ Z
Answer:
-5,-4.9,-4.35,-4.3,-4
Step-by-step explanation:
Hope this helps :)
Answer:
A.) = 6
If RE = 12, then RD = 6
B.) = 10
If BR = 10, then BE = 10
C.) = 16
If BD = 8, then BK = 16
D.) = 30*
<m9 = 90*, and <m2 = 60*, so add them and subtract from 180*, you are left with <m1 = 30*
E.) = 60*
If <m2 = 60*, then <m3 = 60*
F.) = 90*
It`s a 90* angle because BK and RE and perpendicular
G.) = 60*
If <m1 = 30*, then multiply by two because it is symmetrical
I would show all my work but you seem to be in a rush. Hope this helps!
Answer:
I think 4
Step-by-step explanation:
A variable term is a term with a variable on it or a letter.
3x, 3y, 5x, and y are all variable terms
