Correct option is A

Solution:
cos x = -1/2
cos x = cos (180 + 60)
cos x = cos 240
x = 240°
tan 240° = tan (180 + 60)
tan 60° = √3
Information Booster:


Solution:
cos x = -1/2
cos x = cos (180 + 60)
cos x = cos 240
x = 240°
tan 240° = tan (180 + 60)
tan 60° = √3
Information Booster:

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Suggested Test Series