mariaemijan mariaemijan

24-10-2017
Mathematics

contestada

[tex] \frac{1 - sin {}^{2}x }{cos {}^{2}x - 1 } = - \cot {}^{2} x[/tex]

Respuesta :

LammettHash LammettHash

24-10-2017

[tex]\dfrac{1-\sin^2x}{\cos^2x-1}=\dfrac{\cos^2x}{-\sin^2x}=-\cot^2x[/tex]

Answer Link

Otras preguntas

24. Which of the following items is false about ionization energy change with removal of valence electrons?

Which of the following is needed to apply for a checking account? A. Report card B. PIN number C. Photo ID D. Birth certificate 2b2t

A pair of shoes costs $30.99 and the sales tax is 5%. Use the formula C = p + rp to find the total cost of the shoes, where C is the total cost, p is the price,

MAJOR HELP! Imagine you are at home watching television. You are sitting 6 feet away from your TV which is hung on the wall and the top of it is 8 feet off the

76degrees faherheit = what in Celsius?

Factor this trinomial. x2 - 8x+15

20 PTS! PLEASE HELP ME T^T!! Using complete sentences, explain which function has the greatest y-intercept.

15 Ellen is currently twice as old as Maria, but in 6 years, Maria will be 2/3 as old as Ellen. How old is Ellen now? 16 If 2x - 2y = 5 and x + y = 6, what is t

The population of a town doubled approximately every 5 years during the first several decades after it was founded. If the original population of the town was 3

Which is not a characteristic of an exponential parent function?