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" 8."sin^(2)30^(@)cos^(2)45^(@)+4tan^(2)...

" 8."sin^(2)30^(@)cos^(2)45^(@)+4tan^(2)30^(@)+(1)/(2)sin^(2)90^(@)-2cos^(2)90^(@)+(1)/(24)cos^(2)sigma

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The value of (1)/(2) sin ^(2) 90^(@) sin^(2) 30^(@) cos ^(2) 45^(@) + 4 tan ^(2) 30^(@) + (1)/(2) sin^(2) 90^(@) - 2 cos ^(2) 90^(@) is :

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

Evaluate : (i) sin^(2)30^(@)*cos^(2)45^(@)+4tan^(2)30^(@)+(1)/(2)sin^(2)90+(1)/(8)cot^(2)60^(@) (ii) (tan^(2)60^(@)+4sin^(2)45^(@)+3sec^(2)30^(@)+5cos^(2)90^(@))/(cosec30^(@)+sec60^(@)-cot^(2)30^(@))

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

Evaluate : sin^2 30^@ cos^2 45^@ + 4 tan^(2)30^@ + 1/2 sin^2 90^@-2cos^(2) 90^@ +1/(24)

Find the value of : sin^(2)30^(@) cos^(2) 45^(@)+4tan^(2)30^(@) + 1/2 sin^(2) 90^(@) + 1/8 cot^(2) 60^(@) .

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

Evaluate the following: (i) 2sin^(2)30o-3cos^(2)45o+tan^(2)60o( ii) sin^(2)30o cos^(2)45o+4tan^(2)30o+(1)/(2)sin^(2)90o-2cos^(2)90o+(1)/(24)cos^(2)00

Find the value of : (5sin^(3)30^(@)+cos^(2)45^(@)-4tan^(2)30^(@))/(2sin 30^(@).cos30^(@)+tan45^(@))+cos 0^(@)

Q.Determine x if (x sin^(2)30^(@)cos^(2)60^(@))/(4cos^(2)45^(@))=(3sin^(2)45^(@)+2cos^(2)30^(@))/(sin^(2)90^(@)-4cos^(2)45^(@))