[" If "x sin^(3)alpha+y cos^(3)alpha=sin alpha cos alpha" and "x sin alpha-y cos alpha=0],[" then "x^(2)+y^(2)=]

If p&q are lengths of perpendicular from the origin x sin alpha+y cos alpha=a sin alpha cos alpha and x cos alpha-y sin alpha=a cos2 alpha, then 4p^(2)+q^(2)

(sin 5 alpha-sin3alpha)/(cos 5 alpha+2 cos 4 alpha+cos 3alpha)=

If x=a sin alpha+b cos alpha and y=a cos alpha-b sin alpha then remove alpha

If (2sinalpha)/({1+cos alpha+sin alpha})=y, then ({1-cos alpha+sin alpha})/(1+sin alpha)=

The locus of the intersection point of x cos alpha+y sin alpha=a and x sin alpha-y cos alpha=b is

If (2sin alpha)/({1+cos alpha + sin alpha})=y, then ({1-cos alpha+sin alpha})/(1+sin alpha)=