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

Transform the given function f(x) as described.f(x)=|x|Reflect across the x-axis Translate up 1 unit

Mehlania is previewing a text. She noticed that one of the headers of the text is "Monuments in New York City.” What would the paragraphs following this heading

Which of these is not an example of a functional text? recipe instruction manual novella memo

A triangle has two sides measuring 8 and 15. The included angle is 33°. What is the length of the side opposite the 33° angle?

how does poetry help express emotions and feeling better?

divide itand add 10110+11001it is binary addition and divide

The college dean obtains an alphabetical list of full-time students at her college and she selects the 26 names on that list and interviews those students to fi

please help ill give brainiest answer

Describe what Johnny gives to the nurse that he wants her to give to Ponyboy.

Solve for x. Round your answer to the nearest whole degree. I’ll give brainliest