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July 2022 1 65 Report

Упростить выражение [tex]5-sin(2\pi *10^3t)+2cos(2\pi *2*10^3t+\frac{\pi }{3} )[/tex]

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5-sin(2 $\pi$ * $10^{3}$ t)+2cos(2 $\pi$ *2* $10^{3}$ t+ $\frac{\pi }{3}$ )

5-sin(2 $\pi$ *1000t)+2cos(4 $\pi$ * $10x^{3}$ + $\frac{\pi }{3}$ )

5-sin(2000 $\pi$ t)+2(cos(4 $\pi$ * $10^{3}$ t)cos( $\frac{\pi }{3}sin(\frac{\pi }{3} ))$

5-sin(2000 $\pi$ t)+2(cos(4 $\pi$ * $10^{3}$ t)* $\frac{1}{2}$ -sin(4 $\pi$ * $10^{3}$ t)* $\frac{\sqrt{3} }{2}$ )

$5-sin(2000\pi t)+2(\frac{cos(4\pi *10^{3}t }{2} -\frac{\sqrt{3}sin(4\pi *10^{3}t) }{2} )$

$5-sin(2000\pi t)+2*\frac{cos(4\pi *10^3t)-\sqrt{3}sin(4\pi *10^3t) }{2}$

5-sin(2000 $\pi t$ ) $+cos(4\pi *10^3t)-\sqrt{3} (4\pi *10^3t)$

$5-sin(200\pi t)+cos(4\pi *1000t)-3sin(4\pi *1000t)$

$5-sin(2000\pi t)+cos(4000\pi t)-\sqrt{3} sin(4\pi *1000t)$

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