godsrockstar godsrockstar

02-11-2017
Mathematics

contestada

Which expression is equivalent to sin^2 x-sin x - 2/sin x -2
A. sin x + 1

B. sin x − 1

C. sin2x

D. -sin2x

Respuesta :

DrPepper21 DrPepper21

02-11-2017

Set sin x to a variable, i.e. u

u^2-u-2/u-2.

Factor:

(u-2)(u+1)/(u-2)

Simplify by canceling the u-2s...

leaving u+1. Since we substituted u for sin x...
the answer is A. sin x + 1

Answer Link

Otras preguntas

Be specific and shorten it in ur own words I’ll brainlist and rate u 5 star! :) What are the 2 major steps involved in the breakdown of glucose to carbon dioxid

arthur and sword story explanation in past tense

Simplify 2/g x 3/h.

Explain why, in an economy that produces only fish and computers and is working at efficiency, the 500th computer made will cost more in terms of fish than the

At the grocery store a Sprite costs $0.85, a 6 pack of Sprite is $4.08, and a 12 pack of Sprite is $8.52. Which is the better buy.

PLS!!!HELP!!b distribute (1 + 3y)9

Suppose PQ has one endpoint at P(0, 0). If (2,5) is the midpoint of PQ, what are the coordinates of point Q?

Find the slope and y-intercept of the following line. - 10 - x= -5 BER Find the slope of the line. Select the correct choice below and, if necessary, fill in th

Which of the following will a patient need to endure before receiving a stem cell-generated organ transplant? A. A lengthy waiting period to secure an organ don

Question 5 (5 points) image What's the range of this function graph? Question 5 options: A) (–∞,2) B) [2,∞) C) (–2,∞) D) [–2,∞]