tan^(2)(pi)/(3)+2cosec^(2)(pi)/(4)+3sec^(2)(pi)/(6)=11

tan^(2)\ (pi)/(3)+2csc^(2)\ (pi)/(4)+3sec^(2)\ (pi)/(6)=11

The value of (tan^(2))(pi)/(3)+4(cos^(2))(pi)/(4)+3(sec^(2))(pi)/(6)+(cot^(2))(pi)/(2) is

Prove that (i) " tan"^(2) .(pi)/(3) + 2cos^(2) .(pi)/(4)+ 3 sec^(2).(pi)/(6)+ 4 cos^(2).(pi)/(2)=8 (ii) " sin ".(pi)/(6) " cos 0 + sin ".(pi)/(4) " cos " .(pi)(4) + " sin " .(pi)/(3) "cos " .(pi)/(6) =(7)/(4) (iii) " 4sin " (pi)/(6) " sin"^(2) (pi)/(3) + 3 " cos " .(pi)/(3) " tan ".(pi)/(4) = " cosec"^(2).(pi)/(2)=4

(cot^(2)(pi)/(6)+csc(5 pi)/(6)+3tan^(2)(7 pi)/(6))/(2cos^(2)(pi)/(3)+csc^(2)(7 pi)/(6)*cot^(2)(pi)/(3)) is equal to

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

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

The vlaue of cosec^(2)""(pi)/(7)+cosec^(2)""(2pi)/(7)+cosec^(2)""(3pi)/(7), is