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Given cosine of x is equal to the square root of 3 over 2 comma what is the value of cos(x + π)?

Given Cosine Of X Is Equal To The Square Root Of 3 Over 2 Comma What Is The Value Of Cosx Π class=

Sagot :

The cosine function has the following property:

[tex]\cos (x+\pi)=-\cos (x)\text{.}[/tex]

In this problem, we have:

[tex]\cos (x)=\frac{\sqrt[]{3}}{2}\Rightarrow\cos (x+\pi)=-\frac{\sqrt[]{3}}{2}\text{.}[/tex]

Answer

[tex]-\frac{\sqrt[]{3}}{2}[/tex]

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