SOLUTION: Verify that the trigonometric equation is an identity. {{{ cot^2x = (csc x - 1)(csc x + 1) }}}
Algebra
->
Trigonometry-basics
-> SOLUTION: Verify that the trigonometric equation is an identity. {{{ cot^2x = (csc x - 1)(csc x + 1) }}}
Log On
Algebra: Trigonometry
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Trigonometry-basics
Question 527226
:
Verify that the trigonometric equation is an identity.
Answer by
lwsshak3(11628)
(
Show Source
):
You can
put this solution on YOUR website!
cot^2x = (csc x - 1)(csc x + 1)
**
Starting with right side
(csc x - 1)(csc x + 1)
difference of squares
(csc^2x)-1
Identity: cot^2x+1=csc^2x
(csc^2x)-1=cot^2x
verified: right side=left side