Answer:
use desmos to figure it out.
Sin (a+b) = sin a. cos b + cos a. sin b
a= 50° and b=40°, then
sin(50+40) = sin 50° . cos 40° + cos 50° . sin 40°
sin(50+40) = sin 90° = 1 and
sin 50° . cos 40° + cos 50° . sin 40° = 1
Answer:tu
Step-by-step explanation:jthty6866
9514 1404 393
Answer:
B, C
Step-by-step explanation:
The attached shows the function values for x={4, 1, -1, -2} are {15, 0, 2, 3}.
Statements ...
are correct.