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Mathematics
Mathematics
Problem
Evaluate each of the following, giving exact answers in radians first and then converting the result of each part to degrees. a. (i)
arccos
(
−
1
2
)
\arccos\left(-\dfrac{1}{2}\right)
arccos
(
−
2
1
)
b. (ii)
arcsin
(
−
2
2
)
\arcsin\left(-\dfrac{\sqrt{2}}{2}\right)
arcsin
(
−
2
2
)
c. (iii)
arctan
(
3
)
\arctan(\sqrt{3})
arctan
(
3
)
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