1.

Let f(α)=⎡⎢⎣cosα−sinα0sinαcosα0001⎤⎥⎦, then (f(α))−1 is equal to

Answer»

Let f(α)=⎡⎢⎣cosα−sinα0sinαcosα0001⎤⎥⎦, then (f(α))−1 is equal to



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