Prove that: 1+cosx/1-cosx=tan^2x/(secx-1)^2

Wierzycaz 2021-02-23 Answered
Prove that: 1+cosx1cosx=tan2x(secx1)2
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Expert Answer

Alix Ortiz
Answered 2021-02-24 Author has 109 answers
1+cos(x)1cos(x)=1cos2(x)(1cos(x))2=
sin2(x)cos2(x)(sec(x)1)2=
tan2(x)(sec(x)1)2
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