InterviewSolution
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InterviewSolution
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`cot^2``pi/6``+cose c``(5pi)/6``+3tan^2``pi/6=6` |
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Answer» `L.H.S. = cot^2pi/6+cosec((5pi)/6)+3tan^2(pi/6)` `=cot^2pi/6+cosec(pi-pi/6)+3tan^2(pi/6)``=cot^2pi/6+cosec(pi/6)+3tan^2(pi/6)``=sqrt3^2+2+3(1/sqrt3)^2=3+2+1 = 6=R.H.S.` |
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