Question

Simplify the expression.

cos^2x + sin^2x / cot^2x-csc^2x

Answer 1

csc x
-1
1
sec x

Answer 2

hope you know that cos^2 x +sin^2 x = 1

yes ?

Answer 3

csc x = ?

do oyu know it ?

Answer 4

No, I have no idea.

Answer 5

csc x = 1/sin x

Answer 6

look this http://www.alcyone.com/max/reference/maths/trigonometry.html

Answer 7

\[\cos ^2x+\sin ^2x=1\]
\[\csc ^2x-\cot ^2x=1\]