7. Find a function u(x, y) that is harmonic in R2 and that equals f(0) = 4 sin(30) + 5 cos(60) on the unit circle.

Q: Find y" for the following function. y = 5 sin x cos x y" =|

A: We will find y'' as following.

Q: e Suppose flx) = Sin (x) For which value %3D of a, osas T, will f'la) = 0.

A:

Q: Determine the number(s), x, between 0 and 2T where the line tangent to the function f(x) = 5 3…

A:

Q: 11. Which function has the shortest period? A. y 6 sin(3x) + 20 B. y = 8 cos(2x) - 4 С. y 7 соs(x) +…

A:

Q: Rewrite f(x) = 5 sin(3x) – 2cos (3x) in the form A sin (Bx + C). Round your final angle to two…

A:

Q: u (x, y) = -ey sin x − 2e¯º sin y. —

A:

Q: 1. Find each derivative. a) y = sin- X c) f(x) = ln- sin x COS X b) y = cos(x² - 2x-8)

A: