Evaluate 2cos(0)

Problem

2*cos(0)

Solution

1. Identify the value of the trigonometric function at the given angle.

2. Recall that the cosine of 0 radians (or 0 degrees) is 1

cos(0)=1

3. Substitute this value back into the original expression.

2*(1)

4. Multiply the constants to find the final result.

2

Final Answer

2*cos(0)=2

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