Question

Sin
`sin(\pi )/(4)`

Answer 1

0.604897

Explanation:

Step 1: Write expression

sin(sin(π/4))

Step 2: Find sin(π/4)

Remember/memorize your unit circle

sin(π/4) = √2/2

Step 3: Find sin(√2/2)

sin(√2/2) = 0.604897