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" HIT Fिकाने "2tan^(2)45^(@)+cos^(2)30^(...

" HIT Fिकाने "2tan^(2)45^(@)+cos^(2)30^(@)-sin^(2)60^(@)

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

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

If tan^(2) 45^(@)-cos^(2) 60^(@)=x sin 45^(@) cos45^(@) tan 60^(@) , then find the value of x.

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

The value of sin^(2) 60^(@)+cos^(2)30^(@)-sin^(2)45^(@) is _________

4sin^(2)60^(@)+3tan^(2)30^(@)-8sin45^(@)*cos45^(@)