520,941 views
36 votes
36 votes
Simplify Sinx + cosx/ cos²x - sin²x​

User Tpett
by
2.3k points

1 Answer

4 votes
4 votes


(\sin x + \cos x)/(\cos^2 x - \sin^2 x)\\ \\\\=(\sin x + \cos x)/((\cos x + \sin x )\\\\(\cos x - \sin x))\\\\\\=(1)/(\cos x - \sin x)

User Hugo Logmans
by
3.1k points