" Evaluate : "10times(1-cot^(2)45^(0))/(1+sin^(2)90^(@))

Evaluate 10*((1-cot^(2)45^(@))/(1+sin^(2)90^(@)))

(1 - cot^(2)45^(@))/(1 + cot^(2)45^(@)) =

(1 - cot^(2)45^(@))/(1 + cot^(2)45^(@)) =

Calculate : (1-sin^(2)30^(@))/(1+sin^(2)30^(@))xx(cos^(2)60^(@)+cos^(2)30^(@))/("cosec"^(2)90^(@)-cot^(2)90^(@)) divide (sin60^(@) tan30^(@))

Evaluate : (cos^(2)(45^(@) + theta)+ cos^(2) (45^(@) -theta))/(tan(60^(@) + theta) xx tan(30^(@) - theta))+(cot30^(@) + sin 90^(@))xx (tan60^(@) -sec0^(@))

Evaluate : (cos^(2)(45^(@) + theta)+ cos^(2) (45^(@) -theta))/(tan(60^(@) + theta) xx tan(30^(@) - theta))+(cot30^(@) + sin 90^(@))xx (tan60^(@) -sec0^(@))

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^(@))

Evaluate each of the following :- 4/(cot^(2)30^(@))+1/(sin^(2)60^(@))-cos^(2)45^(@)

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

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