A radio station, 98.1 on the FM dial, has radio waves with a frequency of 98.1 million cycles per second. Write an equation in the form d = sin ωt for the simple harmonic motion of the radio waves.

Q: Use a graphing calculator to determine whether the equation cos x = 5x 2 -8x 4 has any solutions.

A:

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A: Find the angular speed of the minute hand of a clock

Q: Write an equivalent expression for cos4 θ that does not involve any powers of sine or cosine greater…

A: Write an equivalent expression for cos4θ that does not involve any powers of sine or cosine greater…

Q: should the exponential of W = 4∠60°  not be 4ej1.05 rather than W=4ej60°

A: Actually the are the same, as the both give nearly same value. The explanation is provided in the…

Q: 1. Draw the graph of the function defined by the equation z = sin 0 for values of 0 from -360° to…

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Q: A 12 √95 B 7

A: