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If costheta({:(costheta,sintheta),(-sint...

If `costheta({:(costheta,sintheta),(-sintheta,costheta):})xxsintheta({:(x,-costheta),(costheta,x):})=I_(2)` , find x.

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`sintheta`
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NCERT TAMIL-ALGEBRA -Unit Exercise - 3
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  17. If -4 is root of the equation x^(2)+px-4=0 and the equation x^(2)+px+q...

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  18. If costheta({:(costheta,sintheta),(-sintheta,costheta):})xxsintheta({:...

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