" 9) "86(1+sin t)(1+cos t)=(5)/(4)" then the "

If (1+sin t)(1+cos t)=(5)/(4) then find the value of (1-sin t)(1-cos t)

If (1+sin t)(1+cos t)=(5)/(4) Find the value of (1-sin t)(1-cos t)

If int_(0)^(t)(bx cos4x-a sin4x)/(x^(2))=(a sin4t)/(t)-1 where 0

If sin t+cos t=(1)/(5) then tan((t)/(2)) is equal to:

The angle made by the tangent of the curve x=a(t+sin t cos t),y=a(1+sin t)^(2) with the x -axis at any point on it is (A) (1)/(4)(pi+2t) (B) (1-sin t)/(cos t)(C)(1)/(4)(2t-pi)(D)(1+sin t)/(cos2t)

If (x=a sin (2t)(1+cos(2t)) and (y=b cos (2t) (1- cos(2t)) , then show that ((dy/dx)_(t=pi/4) =b/a) .

Locus of centroid of the triangle whose vertices are (a cos t, a sin t ) , (b sin t - b cos t ) and (1, 0) where t is a parameter, is

Locus of centroid of the triangle whose vertices are (a cos t , a sin t) , ( b sin t, -b cos t ) and(1,0), where t is a parameter, is-

Locus of centroid of the triangle whose vertices are (a cos t, a sin t ) , (b sin t - b cos t ) and (1, 0) where t is a parameter, is

If x = a (cos t + t sin t), y = a (sin t - t cos t), then at t = pi//4,(dy)/(dx)