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If cos(θ) = 0, what is the value of θ? (2017)
If cos(θ) = 0, what is the value of θ? (2017)
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Practice Questions
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Q1
If cos(θ) = 0, what is the value of θ? (2017)
0°
90°
180°
270°
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cos(90°) = 0, so θ = 90°
Questions & Step-by-step Solutions
1 item
Q
Q: If cos(θ) = 0, what is the value of θ? (2017)
Solution:
cos(90°) = 0, so θ = 90°
Steps: 4
Show Steps
Step 1: Understand that cos(θ) represents the cosine of an angle θ.
Step 2: Recall that the cosine function equals 0 at specific angles.
Step 3: Identify the angle where cos(θ) = 0. This occurs at 90° and 270°.
Step 4: Conclude that θ can be 90° or 270°.
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