" WF "18.(cos2x+2sin^(2)x)/(cos^(2)x)

(cos2x)/(sin ^(2) x cos^(2) x)

Evaluate : (i) int(cos2x+2sin^(2)x)/(sin^(2)x)dx (ii) int(2cos^(2)x-cos2x)/(cos^(2)x)dx

Evaluate : (i) int (cos2x+2sin^2x)/(sin^2x)dx (ii) int(2cos^2x-cos2x)/(cos^2x)dx

The value of (cos^(4)x+cos^(2)x sin^(2) x + sin^(2)x)/(cos^(2)x+ sin^(2) x cos^(2) x + sin^(4)x) is ____________

If cos2x+2 cos x=1 , then (sin^(2)x)(2-cos^(2)x) is equal to

If cos2x+2 cos x=1 , then (sin^(2)x)(2-cos^(2)x) is equal to