Answer:
519.99(.0825) = 42.899
519.99 + 42.899 = $562.89
Step-by-step explanation:
Answer:
44
Step-by-step explanation:
Math boi
We are to verify the identity:
cos(α-B)-cos(α+B) = 2 sinα sinβ
Left hand side = cos(α - B)-cos(α + B)
= cosα cosβ + sinα sinB - (cosα cosB - sinα sinβ)
= cosα cosβ + sinα sinB - cosα cosB + sinα sinβ)
= sinα sinβ + sinα sinβ
= 2 sinα sinβ
= Right Hand side