Cos(2 arctan(4/3)) = cos(2 arccos(3/5)) = cos^2(arccos(3/5)) - sin^2(arccos(3/5)) = cos^2(arccos(3/5)) - sin^2(arcsin(4/5)) = (3/5)^2 - (4/5)^2 = 9/25 - 16/25 = -7/25.

7 0

2 years ago

The ravens scored 1 touchdown and an extra point . how many total points did they score

ch4aika [34]

The ravens scored 7 points

8 0

2 years ago

9р - Зр equivalent expression

Vesnalui [34]

Answer:

Step-by-step explanation:

9p - 3p needs to have the like terms combined. 9 - 3 is 6, and since you have to keep the p, the answer is 6p.

7 0

2 years ago

Find the total sales to the nearest cent. commission: $63.06 commission rate: 5%

saw5 [17]

$63.06/100 = 0.6306
0.6306 x 5 = 3.153

$63.06 + 3.15 = 66.21

$66.21

5 0

2 years ago