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Mathematics 17 Online
OpenStudy (anonymous):

Evaluate, in Radians:

OpenStudy (anonymous):

Please Help: How would I do this? \[\tan(2\cot^{-1} \frac{24}{7})\]

OpenStudy (perl):

we can use the property of trig

OpenStudy (perl):

we know the double angle formula for tan , do you have it (Im too lazy to look it up )

OpenStudy (anonymous):

The part that is confusing me is that 2

OpenStudy (anonymous):

Oh!! Do you use the double angle form? After you find cot-1?

OpenStudy (experimentx):

tan 2A = 2tan A/(1-(tanA)^2) and tan A = 7/24

OpenStudy (perl):

cot^-1 is actually an angle

OpenStudy (perl):

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