# Find the Exact Value sin(one hundred five)

Find the Exact Value sin(105)
Split into two angles where the values of the six trigonometric functions are known.
Apply the sum of angles identity.
The exact value of is .
The exact value of is .
The exact value of is .
The exact value of is .
Clarify .
Clarify each term.
First, multiply .
Multiply and .
First, multiply by .
Multiply .
Multiply and .