Science

Math

Humanities

... and beyond

Socratic Meta
Featured Answers

Topics

Question #85c83

1 Answer

Mar 21, 2017

$( sin(pi/2-x)) /( cos(pi-x))+( tan((3pi)/2-x) )/ (tan(pi+x))$

$=cosx /( -cosx)+cotx/ tanx$

$=-1+cot^2x$

$=cot^2x-1$

Related questions

See all questions in Relating Trigonometric Functions

Impact of this question

1364 views around the world

You can reuse this answer
Creative Commons License