[tex]1)~How~would~I~put~this~into~exact~ratio?[/tex](adsbygoogle = window.adsbygoogle || []).push({});

[tex]Cos\frac{5pi}{6}[/tex]

[tex]2)~How~would~factor~this~expression?[/tex]

[tex]Cosx-2SinxCosx[/tex]

[tex]This~is~not~a~quick~question~but~I~think~it~is~tough.~I~got~1~out~of~9~in~it.[/tex] :grumpy:

[tex]3)~How~would~I~solve~this~equation?[/tex]

[tex]6Cosx^2x+Sinx-4=0~for~ 0^0<x<360^0[/tex]

[tex]4)~How~many~solutions~does~the~equation~\sqrt 2cos(2x)=1~for~0<x<2pi~have?[/tex]

[tex]Any~help~will~be~appreciated![/tex]

[tex]THANK~YOU[/tex]

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# 4 Quick Math Questions for Grade 11

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