Question

Verify the identity.

cot (x minus pi divided by two) = -tan x

Answer 1

@mathmath333 help?

Answer 2

@amistre64 help please?

Answer 3

@AnswerMyQuestions @Algorithmic @ilovebmth1234 @stgzlg

Answer 4

@Algorithmic help please?

Answer 5

\[\cot(x-\pi/2)=-tanx\]

Answer 6

is it your Q??

Answer 7

Yes

Answer 8

here is trigonometric formula for cot
Cot(A-B) = (CotACotB+1)/(CotB-CotA)

Answer 9

\[\cot(x-\pi/2)=\frac{ cotx*\cot (\pi/2) +1}{ \cot (\pi/2)- cotx }\]

Answer 10

cot(pi/2)=0 standard value
=(0+1)/(0-cotx)

Answer 11

\[=\frac{ 1 }{ -cotx }=-tanx\]

Answer 12

as cotx=1/tanx trigonometric value

Answer 13

You are a life saver. Thank you so much!! I'll give you a medal :)

Answer 14

hahhaha....:D