3 years ago

Evaluate the expression: Arctan(-sqrt3)

1 answer:

4 0

It means find the angle whose tangent equals - sqrt (3)
the negative square root of 3 = (- 1.7320508076) 
Looking up the arc tan (-1.7320508076 ) on this page:
http://www.1728.org/trigcalc.htm
we find it equals -60 degrees

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