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Assertion : The system of linear equatio...

Assertion : The system of linear equations `x+(sinalpha)y+(cosalpha)z=0x+(cosalpha)y+(sinalpha)z=0x-(sinalpha)y-(cos\ alpha)z=0` has a non-trivial solution for only value of `alpha` lying the interval `(0,\ pi)` Reason: The equation `in\ alpha` `cosalphas in alpha cosalphasinalpha cosalphasinalphac osalpha-sinalpha-cosalpha|=0` has only one solution lying in the interval `(-pi/4,\ pi/4)`

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