Question

Establish the identity. (1 - cos ?) / sin ? + sin ? / (1 - cos ?) = 2 csc ? Write the left side of the expression with a common denominator. Do not expand the numerator. [ ] / (sin ?(1 - cos ?)) Expand and simplify the numerator by rewriting without any parentheses. ([ ] + sin² ?) / (sin ?(1 - cos ?)) Apply an appropriate Pythagorean Identity to simplify the numerator of the expression from the previous step. [ ] / (sin ?(1 - cos ?)) (Do not factor.) Factor the numerator and cancel out the like terms of the expression from the previous step. Do not apply any trigonometric identity. [ ] / [ ] (Simplify your answers.) The fraction from the previous step then simplifies to 2 csc ? using what? A. Cancellation Property B. Quotient Identity C. Reciprocal Identity Click to select your answer(s).

          Establish the identity.
(1 - cos ?) / sin ? + sin ? / (1 - cos ?) = 2 csc ?
Write the left side of the expression with a common denominator. Do not expand the numerator.
[ ] / (sin ?(1 - cos ?))
Expand and simplify the numerator by rewriting without any parentheses.
([ ] + sin² ?) / (sin ?(1 - cos ?))
Apply an appropriate Pythagorean Identity to simplify the numerator of the expression from the previous step.
[ ] / (sin ?(1 - cos ?)) (Do not factor.)
Factor the numerator and cancel out the like terms of the expression from the previous step. Do not apply any trigonometric identity.
[ ] / [ ] (Simplify your answers.)
The fraction from the previous step then simplifies to 2 csc ? using what?
A. Cancellation Property
B. Quotient Identity
C. Reciprocal Identity
Click to select your answer(s).

$Establish the identity. (1 - cos ?) / sin ? + sin ? / (1 - cos ?) = 2 csc ? Write the left side of the expression with a common denominator. Do not expand the numerator. [ ] / (sin ?(1 - cos ?)) Expand and simplify the numerator by rewriting without any parentheses. ([ ] + sin² ?) / (sin ?(1 - cos ?)) Apply an appropriate Pythagorean Identity to simplify the numerator of the expression from the previous step. [ ] / (sin ?(1 - cos ?)) (Do not factor.) Factor the numerator and cancel out the like terms of the expression from the previous step. Do not apply any trigonometric identity. [ ] / [ ] (Simplify your answers.) The fraction from the previous step then simplifies to 2 csc ? using what? A. Cancellation Property B. Quotient Identity C. Reciprocal Identity Click to select your answer(s).$

Added by Sara B.

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