Q48.

Question

Find the exact value of the function sin390°.

Step-by-Step Solution

Verified
Answer

The exact value of given function is 12.

1Step 1. Write down the given equation.

The given function is sin390°.

2Step 2. Simplify the given function.

The value of trigonometric function sin390° is evaluated as:

sin390°=sin360°+30°=sin30°=12

3Step 3. Conclusion.

The exact value of given function is 12.