The number of distinct real roots of |\table sinx,cosx,cosx;cosx,sinx,cosx;cosx,cosx,sinx| = 0 in the interval -\pi/4 ≤ x ≤ \pi/4

WBJEE 2015 Math Solved Paper

Question : 51 of 80

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The number of distinct real roots of
|

| = 0 in the interval −

≤ x ≤

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