Find the value of tan(210°).
A. 1/√3
B. -1/√3
C. -1
D. 1
1. D
2. A
3. C
4. B
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Find the value of tan(210°).
A. 1/√3
B. -1/√3
C. -1
D. 1
Find the value of tan(210°).
A. 1/√3
B. -1/√3
C. -1
D. 1
Correct Answer – Option 2 : A
Given:
tan(210°)
Concept used:
tan(180° + θ) = tanθ, tan is positive in 3rd quadrant.
Calculation:
tan(210°) = tan(180° + 30°)
⇒ tan(210°) = tan30°
⇒ tan(210°) = 1/√3
∴ The value of tan(210°) is 1/√3.