Answer:
C
Step-by-step explanation:
Using sum/difference to product identity
• sin x - sin y = 2 cos(
) sin (
)
with x = 4Θ and y = 2Θ
Then
sin(4Θ) - sin(2Θ)
= 2 cos(
) sin(
)
= 2cos(3Θ)sinΘ → C
A)line a and line b is your answer.
Answer: The Answer is 5 1/8.
Step-by-step explanation:
8 over 20 equals 6 over 15