Here we answer one simple question: What is sin (4) radians? The answer is as follows:

**Sin(4) = -0.756802495308**

This is the same answer you will get if you have a scientific calculator set to RAD mode and then enter 4 followed by the Sin button.

**Sin Calculator**

To find sin of another number, please enter the number below and press "Calculate Sin".

What is Sin 5 radians?

Go here for the next number we converted to sin radians.

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