Find the value of
tan (-3000)
To find: Value of tan (-300°)
We have,
tan (-300°) = - tan (300°)
[∵ tan(-θ) = -tan θ]
= - tan [90° × 3 + 30°]
Clearly, 300° is in IVth Quadrant and the multiple of 90° is odd
= - cot 30°
= -√3