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Wheretogo
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Post by Wheretogo »

okay i can not get this to work, and i spent like 30 mins or more on it. ihate it its showing how one trig function equals the other by using the 8 fundimental identities



5+sec2 and you want to show how it equals 6+tan2



(the twos are squares)
Why give up, why give in?

It's not enough, it never is.

So I will go on until
the end.

We've become desolate.

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is.

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I've lost my way.

I've lost my way, but I will go on until the end.

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Without you fucking up.

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PurplePoemPuppet
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Re: Help

Post by PurplePoemPuppet »

I'm assuming x is supposed to be in there, but I suppose it doesn't really matter.



sec^2 + 5 = tan^2 +6 <-- the problem you want to solve



(tan^2 + 1) = sec^2 <-- a trig identity



So substitute:



(tan^2 +1) + 5 = tan^2 +6 <-- (tan^2 + 1) is substituted for sec^2



tan^2 + 6 = tan^2 + 6 <-- add 5 + 1 = 6 and you have your answer :)
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