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.
Answer:
1360
Step-by-step explanation:
First, you do all the operations inside the parenthesis, and then you multiply the two. Also, remember the order of operations. Multiplication always comes before addition and subtraction.
(2.5x10-8)(9x10-10)
(25 - 8)(90 - 10)
(17)(80) = 17x80 = 1360
Im sorry if this is late but the answer is 34x2. goodluck :D
Answer:
Add and subtract the remaining numbers in the math problem.
Answer:
|a|
Step-by-step explanation:
if a was negative, the distance would be -a or absolute value a ( can be written as |a| ).
if a was positive, distance would be a. can also be written as |a|
