Answer:
The answer should be B C and E!Thank me later.Don worry i took this question!Good luck!
Step-by-step explanation:
Answer:
a) 122°
b) 37°
Step-by-step explanation:
a) supplement angle of 58° = 180° - 58° =122°
b) complement angle of 53° = 90° - 53° = 37°
Answer:
A
Step-by-step explanation:
4x+3y=2
3y = - 4x + 2
y = - 4x / 3 + 2/3
Answer:
cos (theta) = √21/5
Step-by-step explanation:
sin (theta) = 2/5
(sin (theta))^2 = 4/25
4/25 + (cos (theta))^2 = 1
(cos (theta))^2 = 1 - 4/25 = 21/25
cos (theta) = √21/5
