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Evaluate |(Cos Alpha Cos Beta, Cos Alpha Sin Beta, -sin Alpha),(-sin Beta, Cos Beta, 0),(Sin Alpha Cos Beta, Sin Alpha Sin Beta,Cos Alpha )| - CBSE (Commerce) Class 12 - Mathematics

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Question

Evaluate `|(cos alpha cos beta, cos alpha sin beta, -sin alpha),(-sin beta, cos beta, 0),(sin alpha cos beta, sin alpha sin beta,cos alpha )|`

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Solution Evaluate |(Cos Alpha Cos Beta, Cos Alpha Sin Beta, -sin Alpha),(-sin Beta, Cos Beta, 0),(Sin Alpha Cos Beta, Sin Alpha Sin Beta,Cos Alpha )| Concept: Determinants of Matrix of Order One and Two.
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