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 ( 93+ )
Otras preguntas
Am I doing these right? Be honest please and if not mind explaining step by step how to? Ty in advance
A payment made to expedite or to secure the performance of a routine governmental action is called a
is Richard Nixon a good or bad president
last night Eli read 1\4 of his book before he fell asleep. how much of the book does he have left to read?
You buy 3 tickets for $ 48 total for the jazz concert on Friday night. Your friend buys 2 tickets for $36 total for the jazz concert on Saturday night. Your
- 3/8 + 2/7 - ( - 5/11) + blank + 3/8 = 5/11
Question 9 Multiple Choice Worth 4 points) (01.01 LC) Which of the following can be explained with science? Plant growth Career options Moral value Meaning of l
Proprietary colleges often have issues with A. integration B. creditors c. immigration D. accreditation
Help me with both of these please !
how does regular excercise help to reduce the effects of mental stress
