macifarringtonj macifarringtonj
  • 02-02-2021
  • Mathematics
contestada

[tex]sec^{2}x[/tex]·[tex]cotx-cotx = tanx[/tex]

I'm supposed to prove this but don't know how? Can someone help, please!

Respuesta :

DWRead
DWRead DWRead
  • 02-02-2021
sec²(x)cot(x) - cot(x) = (1/cos²(x))(cos(x)/sin(x)) - cos(x)/sin(x)
= (1/cos(x))(1/sin(x)) - cos(x)/sin(x)
= (1/cos(x))(1/sin(x)) - cos²(x)/( cos(x)sin(x))
= (1-cos²(x))/(cos(x)sin(x))
= sin²(x)/(cos(x)sin(x))
= sin(x)/cos(x)
= tan(x)
Answer Link

Otras preguntas

Unlike DNA, RNA contains
in the classical world, historians often described past events as caused by fate, gods, or other supernatural factors. Today, historians study the same events a
What was the goal of hitler's final solution
Which explanation of the solar system best fits the observations of the planets and how they orbit the sun Question 27 options: The gravity of a large, massi
Solve 3c + 4 = -20 A. -5.3 B. 6 C. 8 D. -8
Which type of lines match these equations (2/3)x =(5/3)y 2x-5y=0
Earth's surface winds generally blow from regions of higher 1) latitudes toward regions of lower latitudes 2) elevations toward regions of lower elevations 3) a
When the ph of a solution is changed from 3 to 4 they hydronium ion concentration of the solution
What issues has Bulgaria been involved in as a UN member? (25 POINTS)
Which of the following is a bacterial infection of the lungs that is one of the top ten causes of death in the US each year? A. the common cold B. bacterial pne