Verify the identity. cotx minus pi divided by two. = -tan x

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Verify the identity. cotx minus pi divided by two. = -tan x

Mathematics
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Is the identity pi/2?
i suck at math sorry :/

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sorry i also dont know
I want to believe the identity is pi/2.
verify. you need to prove that both sides are equal
yes
i have sucked that how to do verify it @Nnesha
remember tan =sin /cos so you can write tan in terms of sin/cos
hello
remember complimentary angles for sin and cos
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\[\large \rm cot (x - \frac{ \pi }{ 2 }) =\frac{ \cos( \frac{ \pi }{ 2 }- x) }{ \sin(\frac{ \pi }{ 2 } -x)}\] i guess we have to use this formulas http://prntscr.com/7ywjsc :D and btw i meant to say write cot in terms of cos/sin
What do we do from here?
ok well lets fix these errors first
use these two formulas http://prntscr.com/7ywn75
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opps the negative sign ~.~
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see why cos(90 deg - x) = sin(x)
you have a lot of information here, look through this stuff and work out your problem now
and u should remember even/odd formulas \[\cos( - x) = \cos(x)\]\[\sin(-x)=-\sin(x)\]\[\tan(-x)=-\tan(x)\]

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