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Mathematics 15 Online
OpenStudy (anonymous):

Verify the identity. cot (θ - π/2 = - tanθ)

Parth (parthkohli):

What is meant by 'verify'? Just plug-in numbers.

OpenStudy (anonymous):

Can't find a difference formula for cotangent in a search. Anyone know? @amistre64

OpenStudy (anonymous):

@mahmit2012

OpenStudy (anonymous):

OK just a 90 deg reflection so it should be easy.

OpenStudy (anonymous):

rotation

OpenStudy (anonymous):

|dw:1343922090365:dw|

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