What is the value of tan 570°?
Correct Answer :
Solution :
The correct option is .
To find the value of , we can first express the angle in terms of a complete revolution ().
Since the tangent function is periodic with a period of (or ), we have:
Next, we rewrite as :
Using the trigonometric identity , where , we get:
The standard trigonometric value for is:
Therefore, the value of is .
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