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Mathematics 7 Online
OpenStudy (anonymous):

Picture below

sam (.sam.):

Please reattach with different names

OpenStudy (anonymous):

OpenStudy (anonymous):

I do not know what quadrant x lies in, no.

OpenStudy (anonymous):

First time ever seeing this.

sam (.sam.):

\[sinx-\sqrt{3-3\sin^2x}=0 \\ \\ sinx-\sqrt{3(1-\sin^2x)}=0\] Using \(1-sin^2x=cos^2x\) \[sinx-\sqrt{3(\cos^2x)}=0\] \[sinx-\sqrt3cosx=0 \\ \\ tanx=\sqrt3\]

sam (.sam.):

Then find the inverse of tangent to get x

sam (.sam.):

|dw:1369917287180:dw|

OpenStudy (anonymous):

Ugh that's confusing. All i know from this stuff is the 30 60 90 triangle

sam (.sam.):

|dw:1369917439955:dw| \[tanx=\sqrt3=\frac{\sqrt3}{1}=\frac{opposite}{adjacent}\]

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