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1 vote
What is the principal value cost of cos​−1
​(0.69)

User Marco Vos
by
8.4k points

2 Answers

7 votes

Answer:

46.4

Explanation:

User Zachscs
by
8.7k points
5 votes
We are asked to find the principal value of
cos ⁻¹ (0.69)
which is just the least positive angle
cos ⁻¹ (0.69) = 46.37°
Other values of
cos ⁻¹ (0.69) is
46.37° - 180° n
where n is a whole number
User Jeriley
by
8.0k points

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