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" Evaluate ":2tan^(2)45^(@)+cos^(2)30^(@...

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

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

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

Evaluate sin^(2)45^(@)+cos^(2)60^(@)+cosec^(2)30^(@) .

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

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

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

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

Find the value of 2 tan^2 45^@ +cos^2 30^@-sin^2 60^@ .