21-08-2020
Physics

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Find "x" at: x = Cos4377π + 8Sen750 ° Select one:

a. 1/3
b. 2
C. 1/2
d. 3

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21-08-2020

Answer:

d. 3

Explanation:

x = cos(4377π) + 8 sin(750°)

A full circle is 2π radians or 360°.

x = cos(4377π − 4376π) + 8 sin(750° − 720°)

x = cos(π) + 8 sin(30°)

x = -1 + 8 (1/2)

x = 3

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