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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Find the volume of the solid generated by revolving the region R bounded by the graphs of the given equations about the .y = x, y = 0, between x = 3 and x = 5

A. ?
B. ?
C. 8?
D. 17?

Mathematics

Match the differential equation with the appropriate direction field.y'(x) = x2 - y2

A.

B.

C.

D.

Mathematics

Find the volume.Find the volume of the right trapezoidal pyramid. Round to the nearest hundredth.

A. 658.56 yd3 B. 329.28 yd3 C. 1975.68 yd3 D. 987.84 yd3

Mathematics

Use a power-reducing identity to find the exact value of the expression.cos2 (-22.5°)

A.
B.
C.
D.

Mathematics