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tan^(2)30^(@)+tan^(2)45^(@)+tan^(2)60^(@...

tan^(2)30^(@)+tan^(2)45^(@)+tan^(2)60^(@)

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Show that : 2tan^(2)60^(@)-6(sin^(2)45^(@)-tan^(2)30^(@))=5

Show that : 2tan^(2)60^(@)-6(sin^(2)45^(@)-tan^(2)30^(@))=5

(5sin^(2)30^(@)+cos^(2)45^(@)-4tan^(2)30^(@))/(2sin30^(@).cos30^(@)+tan45^(@))=?

The value of sin^(2)30^(@).cos^(2)45^(@)+2tan^(2)30^(@)-sec^(2)60^(@) is equal to :

Find the value of sin^(3)60^(@) cot 30^(@)-2 sec^(2) 45^(@)+3 cos60^(@) tan45^(@)-tan^(2)60^(@) .

Prove that : (2tan^(2)30^(@))/(1-tan^(2)30^(@))+sec^(2)45^(@)-cot^(2)45^(@)=sec60^(@) .

If (2tan^(2)30^(@))/(1-tan^(2)30^(@))+sec^(2)45^(@)-sec^(2)0^(@)=xsec60^(@) , then the value of x is

(kcosec^(2)30^(@).sec^(2)45)/(8cos^(2)45^(@).sin^(2)60^(@))=tan^(2)60^(@)-tan^(2)30^(@) , then k = ?