vrekR2acanishope
vrekR2acanishope vrekR2acanishope
  • 06-06-2016
  • Mathematics
contestada

Verify the identity.
cot ( theta - pi / 2 ) = - tan theta

Respuesta :

Tareki
Tareki Tareki
  • 06-06-2016
cot(theta -pi/2) = cos(theta - pi/2)/sin(theta - pi/2)
using cosine and sin law
= [cos(theta)*cos(pi/2)+sin(theta)*sin(pi/2)] / [sin(theta)*cos(pi/2) - cos(theta) * sin(pi/2)]
by simplify it :
= sin(theta) / -cos(theta)
= -tan(theta)
Answer Link

Otras preguntas

what is the word name for 40517
Which statement best describes the role of DNA in relation to RNA and proteins? A. DNA is made from RNA, which is created from proteins. B. Protei
Compute 104 times 57 using distributive property
how were roman censors different from tribunes ?
$1,200, 3.9%, 8months
Don has 3 more than twice as many quarters as Greg. If they have 18 quarters altogether, how many quarters does Don have?
Solve the following system of equations by substitution and select the correct answer below: 4x − 6y = 28 8x − 4y = 24
is transpiration part of the gas exchange system in plants , the water exchange system in plants or both
Read this sentence from "The Cask of Amontillado" by Edgar Allan Poe: In painting and gemmary, Fortunato, like his countrymen, was a quack, but in the matter o
estimate 19.7 divided by 3
good job