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 ( 62+ )
Otras preguntas
Enter the values for the variables that give the correct simplified expressions, x=>=0; sqrt(50x ^ 2) = sqrt(25 - 2x ^ 2) = 5x * sqrt(b); b =; sqrt(32x) = sq
Which number is rational? Please help, thanks!
Five students want to play dodgeball and they all want to be a team captain. To be fair, the gym coach decides to place the names of all five students into a ha
The number of hearing aids that needs to be produced and sold is??
What is the solution to each system 3) y=3x+1 3x+y=1 4) y=2x+1 y=2x+4 5) y= -5x+1 y=2x+4
please help me with this Evaluate -8 × |2|.
logical fallacy Well, what form of government do you want, a government by liberal do-gooders ready to spend your hard-earned dollars or a government led by bus
What lead to the government shutdown in 2013?
A router on the border of your network receives a packet with a source address that shows it originating from a client on the internal network. However, the pac
Which keywords and phrases in this author's purpose indicate that the author should use a descriptive essay structure? Karen is writing about her experiences in
