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" 6."2cos((pi)/(3)+A)=...

" 6."2cos((pi)/(3)+A)=

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The value of 2"sin"^(2)(pi)/(6)+"cosec"^(2)(7pi)/(6)."cos"^(2)(pi)/(3) is equal to

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

The value of lim_(xrarr(pi)/(6))(2cos(x+(pi)/(3)))/((1-sqrt3tanx)) is equal to

The value of lim_(xrarr(pi)/(6))(2cos(x+(pi)/(3)))/((1-sqrt3tanx)) is equal to

Prove that : "sin"(pi)/(3) "tan"(pi)/(6) +"sin"(pi)/(2) "cos"(pi)/(3) =2 "sin"^(2)(pi)/(4) .

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

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

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

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)