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[" Writ "3.sin^(2)30^(@)+2cos^(2)45^(@)+...

[" Writ "3.sin^(2)30^(@)+2cos^(2)45^(@)+3tan^(2)60^(@)],[^8cm-sin^(2)30^(@)+2cos^(2)45^(@)+3tan^(2)60^(@)]

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3sin^(2)30^(@)+2cos^(2)45^(@)+3tan^(2)60^(@)=

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

Evaluate : 3 cos^(2)60^(@)sec^(2)30^(@)-2 sin^(2)30^(@)tan^(2)60^(@)

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

Find the value of the following: (i) "sin"^(2)30^(@)+"sin"^(2)45^(@)+"sin"^(2)60^(@)+"sin"^(2)90^(@) (ii) 2"sin"^(2)30^(@)-3cos^(2)45^(@)+cos^(2)60^(@)

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

2sin ^ (2) (30 ^ (@)) - 3cos ^ (2) (45 ^ (@)) + tan ^ (2) (60 ^ (@))

Evaluate: 3sin^(2)30^(@)+2tan^(2)60^(@)-5cos^(2)45^(@)