2sin^(2)(8 pi)/(4)+2cos^(2)(pi)/(4)+2sec^(2)(pi)/(8)=16

2sin^(2)quad (3 pi)/(4)+2cos^(2)(pi)/(4)+2sec^(2)(pi)/(3)=10

Prove that: 2sin^(2)(3(pi)/(4))+2cos^(2)((pi)/(4))+2sec^(2)((pi)/(3))=10

Prove that : 2sin^(2)((3pi)/(4))+2cos^(2)((pi)/(4))+2sec^(2)((pi)/(3))=10

2sin^(2)(3pi)/(4) + 2cos^(2)pi/4+2sec^(2)pi/3=10

Prove that: (a) 2sin^(2)(pi/2) + "cosec"^(2)((7pi)/2) cos^(2)(pi/3)=(3/2)^2 (b) 2sin^(2)((3pi)/4)+2cos^(2)(pi/4)+2sec^(2)(pi/3)=10

Prove that 2sin^2((3pi)/4)+2cos^2(pi/4)+2sec^2(pi/3)=10

Evalute : "sin"^(2)(pi)/(4) + "cos"^(2) (3pi)/(4)+"cos"^(2)(5pi)/(4)+"sin"^(2)(7pi)/(4).

Value of expression sin^(2)(pi)/(6)+cos^(2)(pi)/(4)-sec(pi)/(3) 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