Loading [MathJax]/jax/output/SVG/config.js

(1/1+tg^2x)+(1/1+ctg^2x)

0

1960

1

Guest Apr 2, 2015

Best Answer

+130458

+5

1 / [1 + tan^2x] + 1 / [ 1 + cot^2x] =

1/sec^2x + 1/csc^2x =

cos^2x + sin^2x =

1

CPhill Apr 2, 2015

1⁺⁰ Answers

+130458

+5

Best Answer

1 / [1 + tan^2x] + 1 / [ 1 + cot^2x] =

1/sec^2x + 1/csc^2x =

cos^2x + sin^2x =

1

CPhill Apr 2, 2015

1 Online Users