Question

Need help with a few precalculus questions.

Simplify the expression.
quantity one minus cotangent of x divided by quantity tangent of x minus one

Answer 1

cotx

Answer 2

thank you. how about this one

Answer 3

1-cotx/tanx-1 =( 1-1/tanx)/tanx-1
=( tanx-1)/(tanx*tanx-1)
=1/tanx
=cotx

Answer 4

Verify the identity.
quantity one minus sine of x divided by cosine of x equals cosine of x divided by quantity one plus sine of x