Help! Got an exam 2morrow and im last minute studying; got this question (1 Viewer)

AirCombatF35

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So im last minute studying for an exam tomorrow and i got this question:

Find the exact value of tan(-3pi/4).

I completely forgot and blanked out on how to find the answer. If you couls please help, please do so!

Thanks!
 

iStudent

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tan(-3pi/4) is in the third quadrant and tan is positive in this region. So tan(-3pi/4) = tan(pi/4) = 1. (Construct the unit circle)
 

MrInoeverthin

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If you're not prepared for a maths exam.

Then you gg'd it. Don't blame anyone else.
 

Drongoski

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@op - relax. You're presumably in only Yr 8 now. Lots of Yr 11 students can't even get that right.
 

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