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Trigonometry 5 Online
OpenStudy (anonymous):

find the exact value of cot [cot^-1 sqrt3/3]

OpenStudy (anonymous):

1. The arccot of sqrt(3)/3 is 60 degrees, or pi/3. The cot of pi/3 is once again sqrt(3)/3. 2. Cosine of pi/2 is cosine of 90 degrees. The x-value at 90 degrees is 0, so cos pi/2 is 0. Arcsine of 0 is 0.

OpenStudy (anonymous):

Does that help?

OpenStudy (anonymous):

i am pretty sure that acrcot of sqrt3/3 is pi/6 though?

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