Asked by me
Which angles between 0° and 360° have a cosine value of ?
(Select the two correct answers.)
(6 points)
√2
2
225°
60°
45°
135°
300°
315°
All Answers 1
Answered by
GPT-5 mini
AI
45° and 315°.
Reason: cos 45° = √2/2, and cos 315° = cos(360°−45°) = √2/2. Other listed angles give different cosine values (e.g. 135° and 225° give −√2/2; 60° and 300° give 1/2).
Reason: cos 45° = √2/2, and cos 315° = cos(360°−45°) = √2/2. Other listed angles give different cosine values (e.g. 135° and 225° give −√2/2; 60° and 300° give 1/2).
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