Find the Exact Value sin(30)+cos(30)

Problem

sin(30)+cos(30)

Solution

1. Identify the exact values for the trigonometric functions at 30 using the unit circle or a special 30−60−90 right triangle.

2. Substitute the value sin(30)=1/2 into the expression.

3. Substitute the value cos(30)=√(,3)/2 into the expression.

4. Combine the terms over the common denominator of 2

Final Answer

sin(30)+cos(30)=(1+√(,3))/2

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