Using Properties of Determinants, Prove That|(Sin Alpha, Cos Alpha, Cos(Alpha Delta)),(Sin Beta, Cos Beta, Cos (Beta Delta)),(Sin Gamma, Cos Gamma, Cos (Gamma Delta))| = 0 - Mathematics | Shaalaa.com
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If alpha leq 2sin^{-1} x cos^{-1} xleq beta, thenalpha = dfrac {pi}{2}, beta = dfrac {pi}{2}alpha = dfrac {pi}{2}, beta = dfrac {3pi}{2}alpha = 0, beta = pialpha = 0, beta = 2pi
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