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If sin^2(theta-alpha)cosalpha=cos^2(thet...

If `sin^2(theta-alpha)cosalpha=cos^2(theta-alpha)sinalpha=msinalphacosalpha`, then

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If sin^2(theta-alpha)c osalpha=cos^2(theta-alpha)sinalpha=msinalphacosalpha, then prove that |m|geq1/(sqrt(2))

If sin^2(theta-alpha)c a salpha=cos^2(theta-alpha)sinalpha=msinalphacosalpha, then prove that |m|geq1/(sqrt(2))

If sin^2(theta-alpha)c a salpha=cos^2(theta-alpha)sinalpha=msinalphacosalpha, then prove that |m|geq1/(sqrt(2))

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If sin^(2)(theta-alpha)cos alpha=cos^(2)(theta-alpha)sin alpha=m sin alpha cos alpha, then

sin(3theta+alpha)+sin(3theta-alpha)+sin(alpha-theta)-sin(alpha+theta)=cosalpha

sin(3theta+alpha)+sin(3theta-alpha)+sin(alpha-theta)-sin(alpha+theta)=cosalpha

sin(3theta+alpha)+sin(3theta-alpha)+sin(alpha-theta)-sin(alpha+theta)=cosalpha

If A_(alpha)=[(cosalpha,sinalpha),(-sinalpha,cosalpha)] then (A_(alpha))^2=?

sin(3 theta+alpha)+sin(3 theta-alpha)+sin(alpha-theta)-sin(alpha+theta)=cos alpha