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2(cos^(2)45+tan^(2)60^(@))-6(sin^(2)45-t...

2(cos^(2)45+tan^(2)60^(@))-6(sin^(2)45-tan^(2)30^(@))

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Show that: 2(cos^(2)45o+tan^(2)60o)-6(sin^(2)45o-tan^(2)30o)=6 (ii) 2(cos^(4)60o+sin^(4)30o)-(tan^(2)60o+cot^(2)45o)+3sec^(2)30o=(1)/(4)

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

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

Find the value of (4sin^(2)60^(@)-cos^(2)45^(@))/(tan^(2)30^(@)+sin^(2)0^(@))

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

(5cos^(6)60^(@)+4sec^(2)30^(@)-tan^(2)45^(@))/(sin^(2)30^(@)+cos^(2)30^(@))

Evaluate the following : (5cos^(2)60^(@)+4sec^(2)30^(@)-tan^(2)45^(@))/(sin^(2)30^(@)+cos^(2)30^(@))