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Fanduekisses
 one year ago
**PRECALC HELP PLEASE How to verify the identity tan(x+pi/2)=cotx ?
Fanduekisses
 one year ago
**PRECALC HELP PLEASE How to verify the identity tan(x+pi/2)=cotx ?

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Fanduekisses
 one year ago
Best ResponseYou've already chosen the best response.0Do I USE the cofunction identity?

tkhunny
 one year ago
Best ResponseYou've already chosen the best response.0You use whatever works. Let's see what happens when you use the cofunction identity.

Muhammad_Nauman_Umair
 one year ago
Best ResponseYou've already chosen the best response.1tan(x+y) = (tan x +tan y) / (1 tan x tan y)

Muhammad_Nauman_Umair
 one year ago
Best ResponseYou've already chosen the best response.1here y is pi/2

Fanduekisses
 one year ago
Best ResponseYou've already chosen the best response.0ooooh I see so x is x and y is pi/2?

Fanduekisses
 one year ago
Best ResponseYou've already chosen the best response.0so x + pi/2/ 1x + pi/2 ?

Muhammad_Nauman_Umair
 one year ago
Best ResponseYou've already chosen the best response.1tan x + tan 90/ (1 tan90 *tanx)

Muhammad_Nauman_Umair
 one year ago
Best ResponseYou've already chosen the best response.1then divide numerator and denominator by tan 90 . as u know tan 90 is "infinite" and 1 / "infinte" = 0 Now try to solve it

Muhammad_Nauman_Umair
 one year ago
Best ResponseYou've already chosen the best response.1(tan x/tan 90+1 ) / [(1 /tan 90)  tanx)]

Muhammad_Nauman_Umair
 one year ago
Best ResponseYou've already chosen the best response.1got it ?
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