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" (ii) "2sin^(2)(pi)/(6)+cosec^(2)(7 pi)...

" (ii) "2sin^(2)(pi)/(6)+cosec^(2)(7 pi)/(6)cos^(2)(pi)/(3)=(3)/(2)

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2sin^(2)""(pi)/(6)+cosec^(2)""(7pi)/(6) cos^(2)""(pi)/(3)=(3)/(2)

2sin^(2)((pi)/(6))+cos ec^(2)(7(pi)/(6))(cos^(2)pi)/(3)=(3)/(2)

Prove that: 2sin^(2)(pi)/(6)+csc^(2)(7 pi)/(6)cos^(2)(pi)/(3)=(3)/(2)

Prove that: 2sin^(2)((pi)/(6))+cosec^(2)((7 pi)/(6))cos^(2)((pi)/(3))=(3)/(2)

Prove that 2sin^(2)""(pi)/(6)+cosec^(2)""(7pi)/(6) cos^(2)""(pi)/(3)=(3)/(2)

Prove that : 2sin^(2)((pi)/(6))+coesec^(2)((7pi)/(6))cos^(2)((pi)/(3))=(3)/(2)

2sin^(2)(pi/6)+cosec((7 pi)/6)cos^(2)(pi/3)=?

2sin((2 pi)/(6))+cosec^(2)((pi)/(6))*cos^(2)((pi)/(3))=?

"sin^(2)(pi)/(6)+cos^(2)(pi)/(3)-tan^(2)(pi)/(4)=-(1)/(2)"

2(sin^(2)(pi/6)) +"cosec"(7pi)/(6)cos^(2)pi/3=3/2