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Mathematics 21 Online
OpenStudy (jusrocks):

FREE MEDAL FOR CORRECT ANSWERS tan 2x = ____ Check all that apply:

OpenStudy (jusrocks):

OpenStudy (jusrocks):

Great!

OpenStudy (jusrocks):

Tres people :)

OpenStudy (jusrocks):

Oh...

OpenStudy (jusrocks):

anyone there?

OpenStudy (jusrocks):

Hi! @mathmale

OpenStudy (mathmale):

Please Google "double angle formula for tangent." You could use such formula, or you could remember that the tangent function is equal to the sine function div. by the cosine function. So at least 2 of those given formulas are likely correct.

OpenStudy (jusrocks):

I don't have five minutes. Answer please.

OpenStudy (jusrocks):

I'll wait .

OpenStudy (jusrocks):

It's the last answer on my quiz.... I'll just guess.

OpenStudy (mathmale):

I have to admit I don't remember the double angle formula for the tangent, and would thus have to look it up (Google it). Ahem. Wouldn't ask you to do something I wouldn't do myself. Sorry, but I don't give out answers without your full participation. Surprised that you apparently either don't know that that's against the rules or don't care that it is.

OpenStudy (mathmale):

Guessing seldom leads to any real understanding.

OpenStudy (jusrocks):

Look at that... I guessed correctly! 100%! @mathmale

OpenStudy (jusrocks):

Thank you for nothing. @sleepyjess here's a free medal

OpenStudy (mathmale):

Congrats. But don't think that guessing will always help.

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