Establish the identity.sin(4u) = 2 sin(2u) cos(2u)

What will be an ideal response?


sin(4u) = sin [2(2u)] = 2 sin(2u) cos(2u).

Mathematics

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Divide.

A. m2 + 7m + 2 B. 2m2 - 7m + 6 C. m2 + 8m + 9 D. 2m2 + 7m + 6

Mathematics

Find all the first order partial derivatives for the following function.f(x, y, z) = ln (xy)z

A.  = -  = -  = ln xy
B.  =  =  = z ln (xy)z-1
C.  = z ln  = zln = ln xy
D.  =  =  = ln xy

Mathematics

Find the annual liability premium for the coverage.A person's youthful-operator factor is 1.75. The annual premium for liability coverage is $185.40 for bodily injury and $115.00 for property damage.

A. $300.40 B. $508.20 C. $525.70 D. $527.45

Mathematics

Use synthetic division to find the quotient and the remainder. (x3 - x2 + 5 ) ÷ (x + 2)

A. Q(x) = (x2 - 3x + 6) ; R(x) = - 7 B. Q(x) = (x2 + x + 2); R(x) = - 7 C. Q(x) = (x2 - 3x + 6) ; R(x) = 2 D. Q(x) = (3x2 - 4x + 2); R(x) = 7

Mathematics