D: (-∞, ∞)
R:(-∞, ∞)
Let me know if you don’t want it in interval notation form
Answer:
Option (D)
Step-by-step explanation:
By applying Sine rule in the right ΔABD,
Sin(A) =
Sin(60)° =
BD =
=
Now by applying Cosine rule in the right ΔBDC,
Cos(45)° =
x =
x =
Therefore, Option (D) is the correct option.
Answer:
fifteen seconds after that one of my friend did a few days wale and then a