What is the adjoint of the matrix ( able \cos(- heta),-\sin(- heta);-\sin(- heta),\cos(- heta)) ?
[NDA II 2018]

Question

What is the adjoint of the matrix (	able \cos(-	heta),-\sin(-	heta);-\sin(-	heta),\cos(-	heta)) ?
[NDA II 2018]

Examsnet · Accepted Answer

Correct Answer is : (cos‌θ−sin‌θ−sin‌θcos‌θ)

cos(−θ)	−sin(−θ)
−sin(−θ)	cos(−θ)

cos‌θ	−sin‌θ
−sin‌θ	cos‌θ

cos‌θ	sin‌θ
sin‌θ	cos‌θ

cos‌θ	sin‌θ
−sin‌θ	cos‌θ

cos‌θ	−sin‌θ
sin‌θ	cos‌θ

NDA Math Matrices