euanmcsparran
euanmcsparran
04-03-2021
Mathematics
contestada
Prove it cotA - tanA = 2cot2A
Respuesta :
cn4685643
cn4685643
04-03-2021
Cora-tana=cosa/sina-sina/cosa
= (Cos^2a_sin^2a) / sina.cosa
= 2 cos2a/sina
= 2cot2a
Answer Link
VER TODAS LAS RESPUESTAS ( 76+ )
Otras preguntas
Read the following excerpt from Dr. King's "I Have a Dream" speech: In the process of gaining our rightful place we must not be guilty of wrongful deeds. What a
What brought about the rise of a political class in the beginnings of human society? A. Economic Stability B. Farming Practices C. A need for Leadership D. The
How long so you have to drive at 45 mph to get to 1 mile?
If students wore black sweatshirts to protest a war, what sort of free speech would they be exercising
Which of the following passages from the text seems most out of character for Phillip?
A jury consists of five men and seven women. three are selected at random for an interview find the probability that all three are men.
Two fair (6-sided) dice are rolled. what is the conditional probability that at least one lands on 6 given that the dice land on di erent numbers?
Today, computer hackers are sometime asked to help solve internet crime. this is similar to what other crook being asked to help solve crime in early france?
how would you describe a neat person
Moira does one-half of a homework assignment on Monday. On Tuesday, Wednesday, and Thursday, she does one-half of the homework she has left over from the day be
