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Mathematics 9 Online
OpenStudy (anonymous):

Refer to the triangle and compute the quantities indicated. (Enter your answers in exact form.) (a) sin 2t (b) cos 2t (c) tan 2t

OpenStudy (anonymous):

OpenStudy (anonymous):

I just need to see how each of them is solved.

Directrix (directrix):

Do you know the double angle formulas? If not, look for them in your text, okay?

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