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Mathematics 8 Online
OpenStudy (anonymous):

Help with simplifying identities? (MEDAL AND FAN) Simplify: cos(x)csc(x)

OpenStudy (misty1212):

looks simple enough to me

OpenStudy (misty1212):

not sure what you are supposed to do with it

OpenStudy (anonymous):

So, it's simplified to the absolute max already?

OpenStudy (misty1212):

you could write is as \[\frac{\cos(x)}{\sin(x)}=cot(x)\] if you like

OpenStudy (misty1212):

i guess that is "simpler"

OpenStudy (anonymous):

Can you help me with a few more? @misty1212

OpenStudy (anonymous):

\[(1+\tan^2x)(1-\sin^2x)\]

OpenStudy (anonymous):

\[1 + \tan^2(x) = \sec^2(x) \\ 1 - \sin^2(x) = \cos^2(x) \\ \sec(x) = \frac{1}{\cos(x)}\]

OpenStudy (anonymous):

Thank you! What about this one? @eta \[\tan x(\sin x + \cot x \cos x)\]

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