Find the value of 4cot 30° + 9sin ²60° -6cosec²60° -² tan²60°
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4 cot 30°+9sin^60°-6 cosec^2 60°-tan^260°
=4.√3+9.(√3/2)^2-6(2/√3)^2-(√3)^2
=4√3+9.3/4-6.4/3-3
=4√3-27/4-8-3
=4√3-27/4-11
=4√3-(27+44)/4
=4√3-71/4
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