Given :
An expression (cos 6m)(cos 2m) .
To Find :
We need to express it in terms as sum or difference.
Solution :
We know,
cos( A + B ) = cosA cos B - sin A sin B
cos( A - B ) = cosA cos B + sin A sin B
Adding both the equations we get :
2cos A cos B = cos( A + B) + cos( A - B )
or
cos A cos B = cos( A + B) + cos( A - B )/2
Putting value of A = 6m and B = 2m in above equation, we get :
(cos 6m)(cos 2m) = cos( 6m + 2m ) + cos( 6m - 2m )/2
(cos 6m)(cos 2m) = cos(8m) + cos(4m)/2
Hence, this is the required solution.
Answer:
52 ft²
Step-by-step explanation:
Given :
Dimension : 2 by 3 by 4
Surface area of a rectangular prism :
2(wl + lh + wh)
Length = l
Width = w
Height = h
Surface Area = 2[(2*3)+(2*4)+(4*3)]
Surfave Area = 2[6+8+12]
Surface Area = 2(26)
Surface Area = 52 ft²
Answer:
No Solution
Explanation:
Given the equation:
Step 1: Distribute the terms in the left-hand side.
Step 2: Collect like terms.
Therefore, the equation has No Solution.
Answer:
8.9 (just got it on Apex)
Step-by-step explanation:
(guessed correct on Apex due to other questions on Brainly that were relative to this one)
(6,-4) that’s what I assume
