safax
safax
01-07-2016
Mathematics
contestada
verify the identity cot(x-pi/2)=-tanx
Respuesta :
NiedzielnyMatematyk
NiedzielnyMatematyk
03-07-2016
[tex]\cot(x-\frac{\pi}{2}) = \dfrac{\cos(x-\frac{\pi}{2})}{\sin(x-\frac{\pi}{2})} =\dfrac{\cos(-(\frac{\pi}{2}-x))}{\sin(-(\frac{\pi}{2}-x))} =\dfrac{\cos(\frac{\pi}{2}-x)}{-\sin(\frac{\pi}{2}-x)} =\\=-\dfrac{\sin x}{\cos x} = -\tan x[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 13+ )
Otras preguntas
Which expression could be a calculator’s display for the number 135,000,000,000,000? A. 0.135e15 B. 1.35e14 C. 13.5e13 D. 134e−14
how were old imperialism and new imperialism similar
How did religious beliefs and dissent influence the new England colonies
You have trained all year for a marathon. In your first attempt to run a marathon, you decide that you want to complete this 26-mile race in 4.5 hours. What wou
What does the term "white mans burden" refer to
How do you write w = 7.5h in function notation?
You drive of 242 miles and use 11 gallons of gas. What is the average number of miles per gallon for your car? Show your work
how to write 100,203 in standard form
Aiden walked 1/8 of a mile in 1/16 of an hour. Compute the unit rate as the complex fraction.
area of the park is halfway between 2.4 and 2.5 what is the area of the park
