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Mathematics 16 Online
OpenStudy (anonymous):

find the exact value, in radians, of the expression tan-1(-square root 3)

OpenStudy (anonymous):

\[\text{ArcTan}\left[-\sqrt{3}\right]=-\frac{\pi }{3} \]

OpenStudy (anonymous):

how did you get to that answer?

OpenStudy (anonymous):

It is the special right triangle where the acute angles are 30 and 60 degrees. pi/3 is 60 degrees.

OpenStudy (anonymous):

wow thank you soo much

OpenStudy (anonymous):

|dw:1366072950212:dw|

OpenStudy (anonymous):

@Kiara_Wright10 Sorry. My bad. The idea was correct, the drawing was incorrect. Refer to the revised drawing above.

OpenStudy (anonymous):

thank you

OpenStudy (anonymous):

You're welcome.

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