# Determine the speed and direction of propagation of each of the following sinusoidal waves, assuming that x

## Question:

(a) y = 0.60 cos(3.0x ─ 15t + 2)

(b) y = 0.40 cos(3.0x + 15t ─ 2)

(c) y = 1.2 sin(15t + 2.0x)

(d) y = 0.20 sin[12t ─ (x/2) + &]

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**Related Book For**

## Mathematical Applications for the Management Life and Social Sciences

**ISBN:** 978-1305108042

11th edition

**Authors:** Ronald J. Harshbarger, James J. Reynolds