What is Tan 420 radians?

Here we answer one simple question: What is tan (420) radians? This is the same answer you will get if you have a scientific calculator set to RAD mode and then enter 420 followed by the Tan button. The answer is as follows:

Tan(420 radians) ≈ -1.469942975208

Tan Calculator
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What is Tan 421 radians?
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