Question
The multiplicative inverse of A =
is
The correct answer is: ![open square brackets table row cell cos invisible function application theta end cell cell sin invisible function application theta end cell row cell negative sin invisible function application theta end cell cell cos invisible function application theta end cell end table close square brackets](data:image/png;base64,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)
|A| = cos2
+ sin2
= 1
Adj. A = ![open square brackets table row cell cos invisible function application theta end cell cell sin invisible function application theta end cell row cell negative sin invisible function application theta end cell cell cos invisible function application theta end cell end table close square brackets](data:image/png;base64,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)
A–1 =
= ![open square brackets table row cell cos invisible function application theta end cell cell sin invisible function application theta end cell row cell negative sin invisible function application theta end cell cell cos invisible function application theta end cell end table close square brackets](data:image/png;base64,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)
Related Questions to study
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