(a) Find an angle between 0° and 360° that is coterminal with 690° (b) Find an angle between 0 and 2π that is coterminal with −π/2 .?
回答 (1)
2016-07-25 6:18 am
(a)
The angle
= 690° - 360°
= 330°
The angle = 330°
(b)
The angle
= (-π/2) + 2π
= 3π/2
The angle
= 690° - 360°
= 330°
The angle = 330°
(b)
The angle
= (-π/2) + 2π
= 3π/2
收錄日期: 2021-05-01 13:10:42
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