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" 1."(sin^(2)45^(@)+cos^(2)45^(@))/(tan^...

" 1."(sin^(2)45^(@)+cos^(2)45^(@))/(tan^(2)60^(@))" (Ans.1/3) "

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

Evaluate each of the following :- 2sin^(2)30^(@)-3cos^(2)45^(@)+tan^(2)60^(@)

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

Evaluate : 4(sin^(4)30^(0)+cos^(4)60^(@))-(2)/(3)(sin^(2)60^(@)-cos^(2)45^(@))+(1)/(2)tan^(2)60^(@)

(4(sin^(2)60^(@)+cos^(2)60^(@)))/(tan^(2)45^(@)-cos^(2)90^(@)+sin90^(@))

Evaluate : (sin^(2)30^(@)+sin^(2)45^(@)-4cot^(2)60^(@))/(2sin30^(@)cos30^(@)+(1)/(2)tan60^(@))

Evaluate : (sin^(2)30^(@)+sin^(2)45^(@)-4cot^(2)60^(@))/(2sin30^(@)cos30^(@)+(1)/(2)tan60^(@))

(sin ^ (2) 30 ^ (@) cos ^ (2) 45 ^ (@) + 4tan ^ (2) 30 ^ (@) + (1) / (2) sin ^ (2) 90 ^ (@) + (1) / (8) cot ^ (2) 60 ^ (@)) =?

If x sin45^(@)cos^(2)(60^(@))=(tan^(2)(60^(@))cos es0^(@))/(sec45^(@)cot^(2)(30^(@)))