Simplify for a lot of points(1-sin^2x)(1-tan^2x)
1/sin^2x-1/tan^2x=1/sin^2x-1/ (sin^2x/cos^2x)<<sin tan= sin/cos>>= 1/sin^2x- cos^2x / sin^2x= (1- cos^2x) / sin^2x <<combining into a single fraction>>sin^2 x / sin^2x <<since 1- cos^2 x sin^2 x=1this simplifies to 1.
